dh 1024 vulnerability的八卦，YOUTUBE和 Yahoo名人娛樂都在討論：

#11. Logjam: the latest TLS vulnerability explained

This is a detailed technical introduction to how DH works and how it's ... This research deemed 512 and 768 bits to be weak, 1024 bits to be ...

#12. SSH DH MODULUS <= 1024 BITS (LOGJAM) - A10 Support

Item #, Vulnerability ID, Score Source, Score, Summary. 1, CVE-2015-4000, CVSS 3.0, 3.7 Low, SSH Diffie-Hellman Modulus <= 1024 Bits (Logjam) ...

#13. Logjam: How to Solve a Newly Discovered Vulnerability

This article focuses on the latest described vulnerability Logjam. ... of the same prime numbers and the possibility of eavesdropping on the 1024b DH codes.

#14. Microsoft Security Advisory 3174644

The updated support allows administrators to increase the size of a DH modulus from the current default of 1024 to either 2048, 3072, ...

#15. "Logjam" passive attack on sub-1024 DH groups, and active ...

"Logjam attack" against the TLS protocol. The "Logjam attack" allows a man-in-the-middle attacker to downgrade vulnerable TLS connections to 512 ...

#16. TLSv1.2 weak Cipher due to Diffie-Hellman DH key size too ...

Recently some customers have reported that their vulnerability scan ... can negotiate a Diffie-Helman, DH key size that is only 1024 bytes.

#17. Weak DH warning on 0x9e,0x9f cipher suites

MS15-055: Vulnerability in Schannel could allow information disclosure: May 12, 2015 SSL Labs reports based on being 1024 bit, regardless of whether the DH ...

#18. Logjam Vulnerability Advisory . - ControlCase

Logjam Vulnerability Advisory This is a security advisory on the "Logjam ... Websites that use one of a few commonly shared 1024-bit Diffie-Hellman groups ...

#19. Postfix: DH-1024 weak key exchange is enabled.

Weak SSL/TLS Key Exchange vulnerability on 25 Port. How to generate DH Parameter file with custom key size ? Environment. Red Hat Enterprise ...

#20. SSL/TLS: Diffie-Hellman Key Exchange Insufficient DH Group ...

... Diffie-Hellman Key Exchange Insufficient DH Group Strength Vulnerability ... It was found that 512 and 768 bits to be weak, 1024 bits to be breakable by ...

#21. Security Vulnerability : Logjam aka CVE-2015-4000 | Support

Has already allowed specifying the DH parameter with the "dh" keyword, if you have used the include dh1024.pem we recommend to replace this with ...

#22. Vulnerability with Diffie-Hellman ciphers may affect IBM ...

The DH Keysize<768 means that the client will only accept DH keys greater than or ... SSL/TLS Diffie-Hellman Modulus <= 1024 Bits (Logjam).

#23. Security Vulnerability scanning detected "SSL/TLS Diffie ... - Dell

To resolve the security vulnerability for "SSL/TLS Diffie-Hellman ... (rsa 3072) - A | TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 (dh 1024) - A ...

#24. TLS Diffie-Hellman Key Exchange Logjam Vulnerability - Cisco

... to be configured to use Transport Layer Protocol (TLS) with a Diffie-Hellman (DH) cipher and a small key size (less then 1024 bit key).

#25. FortiOS 5.0 and DH small keys · Issue #725 - GitHub

64-bit block cipher 3DES vulnerable to SWEET32 attack | Key exchange (dh 1024) of lower strength than certificate key | Weak certificate signature: SHA1

#26. Disable SSL/TLS Diffie-Hellman Modulus <= 1024 Bits (Logjam)

Vulnerable connection combinations : SSL/TLS version : TLSv1.1 Cipher ... be due to the < 2048 bit implementation of DH which the default is 1024 I guess.

#27. CVE-2015-4000 "Logjam" attack - PSIRT Advisories | FortiGuard

... of people who discovered the FREAK Vulnerability in SSL/TLS) have published a ... (EXPORT cipher suites are disabled and DH keys are 1024 bit at least):

#28. 3DES vulnerability for 5061 port - Stack Overflow

How can I solve "64-bit block cipher 3DES vulnerable to SWEET32 attack" and "Key exchange (dh 1024) of lower strength than certificate key" ...

#29. ssl-dh-params NSE script - Nmap

Host script results: | ssl-dh-params: | VULNERABLE: | Transport Layer Security ... Length: 1024 bits | Generator Length: 1024 bits | Public Key Length: 1024 ...

#30. Disabling Weak Cipher suites for TLS 1.2 on a Wind... - 1716891

TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (0x9f) DH 1024 bits FS WEAK TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (0x9e) DH 1024 bits FS WEAK ...

#31. 非網站Windows 之SSL 加密弱點檢測及修補 - 黑暗執行緒

64-bit block cipher 3DES vulnerable to SWEET32 attack ... Key exchange (dh 1024) of lower strength than certificate key

#32. Weak Diffie Hellman Logjam Attack Fix - EasyEngine

Using a Strong DH Group. Run following command on your server openssl dhparam -out /etc/nginx/dhparams.pem 2048. open your NGINX configuration file

#33. Disable Diffie-Hellman in Apache - Deep Security Help Center

Web servers are sometimes configured to use the Diffie-Hellman (DH) key exchange and authentication protocol as the "Key Exchange Algorithm" and ...

#34. Diffie Hellman key exchange (1024 bit) unreliable

So, there is a mathematical weakness in DH-key exchange algorithm when using 1024 bits and suitable prime number.

#35. Logjam, FREAK and Upcoming Changes in OpenSSL

Second, connections to servers that support export ciphersuites are still vulnerable even if the server's regular DH parameters are strong.

#36. HTTPS listener fails security scan Logjam (CVE-2015-4000 ...

HTTPS listener fails security scan Logjam (CVE-2015-4000) DH keysize <=1024 · Security vulnerability for HTTPS listeners in security scans on ...

#37. "Logjam" vulnerability (CVE-2015-4000) and MailGate

CVE-2015-4000 is related to the DHE_EXPORT ciphers, key-length of DH group is not concerning this vulnerability. MailGate is using 1024-bit ...

#38. [RESOLVED] Cisco ASA DH Group 2 vulnerability - LIFEQUEST

The reported issue was SSL/TLS Diffie-Hellman Modulus <= 1024 Bits (Logjam) is used in ASA. In our case, DH-Group 2 was used for AnyConnect ...

#39. Deprecated SSH Cryptographic Settings Vulnerability For ...

Third Party Security Scan reveals below vulnerability for Java ... <DD>DH group 1 uses a 1024-bit key which is considered too short and ...

#40. Logjam attack | UKFast Documentation

The Logjam attack is based on a weakness found in the Diffie-Hellman (DH) key ... to be downgraded to a vulnerable one, which they can easily break.

#41. Dependencies Between TLS Protocols and the Cipher Suites

Cipher Suite Name (OpenSSL) Key Exchange Encryption Bits ECDHE‑RSA‑AES256‑GCM‑SHA384 ECDH 256 AESGCM 256 ECDHE‑RSA‑AES256‑SHA384 ECDH 256 AES 256 ECDHE‑RSA‑AES256‑SHA ECDH 256 AES 256

#42. How to fix 'logjam' vulnerability in Apache (httpd) - Server Fault

To generate custom DH parameters, use the openssl dhparam command. Alternatively, you can append the following standard 1024-bit DH ...

#43. How do I protect Cerberus against the “Logjam” vulnerability?

pem and dh1024.pem. These two files will replace the original lower strength DH prime files. You must restart the Cerberus FTP Server Windows ...

#44. LogJam vulnerability: Recommended steps to secure totemo ...

This is a Men-in-the-Middle attack on the Diffie-Hellman (DH) key ... that nation states may be able to successfully attack 1024 bit keys.

#45. SSL/TLS issues - POODLE/BEAST/SWEET32 attacks and the ...

If you need support concerning the following vulnerabilities, please contact ... DH (Diffie–Hellman key exchange smaller than 1024-bit) or ...

#46. Protect inbound HTTPS connections against Weak Diffie ...

PORT STATE SERVICE 8443/tcp open https-alt | ssl-dh-params: | VULNERABLE: | Diffie-Hellman Key Exchange Insufficient Group Strength | State: ...

#47. HPE Switch - SSL Vulnerabilities.

Users may see following Plugin name or Vulnerabilities on their security ... exchange (dh 1024) of lower strength than certificate key |_ least strength: A.

#48. AD server SSL Version 2 and 3 Protocol Detection on port 636 ...

64-bit block cipher 3DES vulnerable to SWEET32 attack | Broken cipher RC4 is deprecated by ... Key exchange (dh 1024) of lower strength than certificate key

#49. Alert Logic and Diffie-Hellman

64-bit block cipher 3DES vulnerable to SWEET32 attack. | Broken cipher RC4 is deprecated ... Key exchange (dh 1024) of lower strength than certificate key.

#50. SSH Weak Diffie-Hellman Group Identification Tool - Aon

The DH key exchange protocol is not only used as part of the TLS ... the first method uses the Oakley Group 2 of size 1024 bits and the ...

#51. Security advisory for Logjam vulnerability - GitLab

Export Cipher Suites are not used. Elliptic-Curve Diffie-Hellman ciphers are used; By default, 1024-bit DH groups are used. This means that ...

#52. HPE Switch - SSL Vulnerabilities. | Comware

Users may see following Plugin name or Vulnerabilities on their ... NULL | cipher preference: client | warnings: | Key exchange (dh 1024) of ...

#53. 2020 Spring cs244 tls

FREAK Attack: protocol vulnerability in TLS allows attackers to trick clients into ... The majority of HTTPS websites use 1024-bit DH keys.

#54. Deprecating Obsolete Key Exchange Methods in TLS - IETF

For elliptic curve DH, invalid curve attacks similarly exploit ... would have required supporting either RSA key exchange or 1024-bit FFDHE.

#55. Configure Oracle's JDK and JRE Cryptographic Algorithms

and one wanted to increase the minimum key length to 1024 the new value would be: jdk.tls.disabledAlgorithms=SSLv3, RC4, MD5withRSA, DH keySize < 1024.

#56. Protect Sonatype Server Products against Weak Diffie ...

64-bit block cipher 3DES vulnerable to SWEET32 attack | Key exchange (dh 1024) of lower strength than certificate key | TLSv1.1: | ciphers:

#57. SSL/TLS: Diffie-Hellman Key Exchange Insufficient ... - Mageni

Mageni eases for you the vulnerability scanning, assessment, ... mod_ssl will use DH parameters which include primes with lengths of more than 1024 bits.

#58. Security Notification: "LOGJAM" vulnerability (CVE-2015-4000)

1024 -bit – Nation-State level resources required. ... Adding “DH”, as outlined in step 3 above, removes support for DHE cipher suites and ...

#59. What Diffie-Hellman (DH) Group Should I Use - InfoSec Monkey

Some think that the bigger the DH group number is, the bigger the key length. ... modp1024 Group 2 (1024 bit modulus) **Avoid** modp1024s160 Group 22 (1024 ...

#60. weak ciphers-enabled vulnerability - Google Groups

weak ciphers-enabled vulnerability. 105 views ... The vulnerability keeps appearing. ... 3DES_EDE_CBC,RC4,,MD5withRSA, DH keySize < 1024, \

#61. Logjam Attack and Diffie-Hellman | Entrust Blog

If your server is vulnerable to Logjam, the test will state, “The server supports weak Diffie-Hellman (DH) key exchange parameters.

#62. SSL vulnerabilities - ManageEngine Pitstop

We have raised these vulnerabilities as an issue and it will be addressed in a future ... TLS_DHE_RSA_WITH_DES_CBC_SHA (0x15) DH 1024 bits (p: 128, g: 1, ...

#63. RSA, DH and DSA in the Wild - Cryptology ePrint Archive

However, 512- and 1024-bit RSA keys remained in common use well after these dates ... Reportedly, he discovered the vulnerability after observing the same ...

#64. Security Vulnerblilties on old FAS 6080 - NetApp Community

I managed to get the one to show no vulnerabilities to the Sec team but the ... dh_secureadmin.pem DH 1024 578 Jun 9 09:13:51 SAST 2020.

#65. Summary The SSLTLS service uses Diffie Hellman groups ...

Vulnerability Detection Result:Server Temporary Key Size: 1024 ... mod-ssl will use DH parameters whichinclude primes with lengths of more than 1024 bits.

#66. Security/Server Side TLS - MozillaWiki

... Certificate curve: None; DH parameter size: 1024 (generated with openssl dhparam 1024) ... 3.5, alm, comment on weakdh vulnerability.

#67. How to fix weak Diffie-Hellman keys - Windows Server 2019

... security scans as supporting weak Diffie-Hellman keys at 1024 bits. ... boot but yet the same vulnerability still shows up on our scans.

#68. Foglight Vulnerability - Diffie-Hellman 1024 key (4328460)

Foglight 5.7.x uses Java 8 which by defafult utilizes 1024 DH ephemeral keys. 解决办法. The FMS can be started using 2048 ephemeral keys via a ...

#69. Vigil@nce - ProFTPD: usage of DH 1024 bits by mod_tls

This bulletin was written by Vigil@nce : https://vigilance.fr/offer SYNTHESIS OF THE VULNERABILITY An attacker can potentially decrypt a (.

#70. Finding and Exploiting Most-Significant-Bit-Oracles in TLS-DH ...

which exploits a timing vulnerability in TLS-DH(E), leaking the most significant bits of ... slightly bigger than 1024 bits, the hash function invocation.

#71. BDSNA - The remote host allows SSL/TLS connections with ...

Diffie-Hellman MODP size (bits) : 1024 ... This may make the remote host more vulnerable to the Logjam attack.

#72. script vuln scan and found a few issues relating to ssl fixes?

_sslv2-drown: 465/tcp open smtps | ssl-dh-params: | VULNERABLE: | Anonymous ... ANONYMOUS DH GROUP 1 ... Public Key Length: 1024

#73. SSL/TLS: Enumerate all security ciphers a Web- or Mailserver ...

... cipher preference: server | warnings: | 64-bit block cipher 3DES vulnerable to SWEET32 attack | Key exchange (dh 1024) of lower strength ...

#74. Logjam vulnerability - cPanel Forums

The other required fix is to change the DH Params and this is where it gets complicated. With Apache/mod_ssl, this can only be changed server- ...

#75. SFTP Client Connection Issues Involving Diffie-Hellman ...

Diffie-Hellman group 14 uses 2048-bit. 768-bit DH groups and even 1024-bit DH groups are vulnerable to precomputation attacks. Although these ...

#76. Logjam attack against the TLS protocol - Beagle Security

The Logjam is a security vulnerability against a Diffie–Hellman key exchange. It ranges from 512-bit to 1024-bit keys.

#77. Force InterScan Messaging Security Virtual Appliance (IMSVA ...

By default, the postfix module in IMSVA uses 1024-bit Diffie-Hellman (DH) parameters for TLS connections. For security reasons some ...

#78. Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice

expose concrete vulnerabilities in real-world systems. Risks from common 1024-bit groups. We explore the implications of precomputation ...

#79. diffie hellman - Understand DHE security in TLS

SSL Labs says that a website I control supports weak ciphersuites because they have DH 1024 bit, e.g. this one: ...

#80. How to Deny the Diffie-Hellman Key Exchange

Currently, there are no known vulnerabilities with ECDHE cipher suites. ... A new feature to disable 1024 bit DH key exchange will be added ...

#81. What does the "dh key too small" SSL error means?

This error means your SSL setup is vulnerable because it supports small DH keys ... we can check the DH key size using the openssl command (1024 bits key in ...

#82. SSL Report - Vonage

TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39) DH 1024 bits FS WEAK ... Heartbleed (vulnerability). No (more info). OpenSSL CCS vuln. (CVE20140224).

#83. Diffie-Hellman, discrete logs, the NSA, and you

out any cryptanalytic risk for any RSA or DH of 1024 bits or more; ... Governments can exploit 1024-bit discrete log for wide-scale passive decryption.

#84. HTTP Server Test Error "dh Key Too Small"

Background · Group sizes of 512 bits and 768 bits are now ·. Generally, 1024 bits is the minimum accepted size but not recommended, and ·. In particular OpenSSL, ...

#85. Weak DH – Time to Level Up - Grinding Gears - FreeAgent

At FreeAgent we take these vulnerabilities very seriously and work to ... the prime used in the DH key exchange from 1024 bits to 2048 bits.

#86. Eliminating Obsolete Transport Layer Security (TLS) Protocol ...

actors are able to exploit these weak communications. ... NSA recommends RSA key transport and ephemeral DH (DHE) or ECDH (ECDHE) mechanisms ...

#87. The Logjam (and Another) Vulnerability against Diffie-Hellman ...

Breaking the single, most common 1024-bit prime used by web servers ... EDITED TO ADD: The DH precomputation easily lends itself to custom ...

#88. Understanding Logjam and making WSO2 servers safe

Logjam - vulnerabilities in Diffie-Hellman key exchange affect browsers and servers using TLS. ... If it is agreed to use DH as the key exchange protocol, ...

#89. SSL Pulse - Qualys SSL Labs

Sites vulnerable to the Heartbleed Bug. 0.0 %of sites surveyed. - 1since previous month. Sites that require RC4.

#90. Fewer IPsec VPN Connections at Risk to Weak Diffie-Hellman

... of issues that inflated the number vulnerable VPN connections. ... freeswan did not support DH 768 and supported both DH 1024 and DH ...

#91. Testing for Weak SSL TLS Ciphers Insufficient Transport Layer ...

A vulnerability occurs if the HTTP protocol is used to transmit sensitive ... be strong (e.g. if RSA or DSA is used the key must be at least 1024 bits).

#92. The NSA and Weak-DH - Lawfare Blog

If indeed the NSA is using the weak-DH attack, they gained a huge amount ... Much of the vulnerable VPNs involve VPN hardware, not software.

#93. HOWTO: Disabling Diffie-Hellman Key Exchange in IIS

Trustwave Action Response: Zero Day Vulnerabilities in Microsoft Exchange Server 2013, 2016, and 2019 Learn More.

#94. Improve your Nginx SSL configuration - Stéphane Caron

ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # drop SSLv3 (POODLE vulnerability) ssl_session_cache ... First, generate your DH parameters with OpenSSL:.

#95. SSL & TLS HTTPS Testing [Definitive Guide] - Aptive

See our Vulnerability Testing services page for more information. ... No client certificate CA names sent Server Temp Key: DH, 1024 bits ...

#96. Logjam and Breaking Diffie-Hellman Key Exchange - YouTube

Overview of Diffie-Hellman Key Exchange, the Logjam Attack, and the current state of web security.

#97. Strong SSL Security on nginx - Raymii.org

The vulnerability dates back to the 1990s, when the US government ... Updated browsers refuse DH parameters lower than 768/1024 bit as a fix ...

#98. [記錄] 弱點掃描：Insufficient Diffie Hellman Strength 問題

掃出的弱點就是現在又覺得1024bits 又太弱了（電腦運算越來越強），所以不能低於1024bits。 這廠商的報告其實很簡單好懂，列出你網站問題之後，其實都還會 ...

#99. Weak Diffie-Hellman (DH) key exchange parameters - LogJam

SSL labs notes our DH keys are 1024 bit. ... implementation vulnerability, and attacks a Diffie-Hellman key exchange

#100. Risks and Security of Internet and Systems: 13th ...

It is the most popular form of man-in-the-middle attack on DH. It is a vulnerability against DH from 512-bits to 1024-bit keys.