CVE-2015-3197
ssl/s2_srvr.c in OpenSSL 1.0.1 before 1.0.1r and 1.0.2 before 1.0.2f does not prevent use of disabled ciphers, which makes it easier for man
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 1 proof of concept on GitHub
Summary
ssl/s2_srvr.c in OpenSSL 1.0.1 before 1.0.1r and 1.0.2 before 1.0.2f does not prevent use of disabled ciphers, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by performing computations on SSLv2 traffic, related to the get_client_master_key and get_client_hello functions.
Timeline
- CVE published
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
References 26
oracle.com
- technetwork/topics/security/ovmbulletinjul2016-3090546.html
- technetwork/security-advisory/cpujul2016-2881720.html
- technetwork/topics/security/linuxbulletinjan2016-2867209.html
- technetwork/security-advisory/cpuoct2016-2881722.html
- technetwork/security-advisory/cpuoct2017-3236626.html
- technetwork/security-advisory/cpuapr2016v3-2985753.html
- technetwork/topics/security/bulletinjan2016-2867206.html
lists.fedoraproject.org
lists.opensuse.org
- opensuse-security-announce/2016-03/msg00010.html
- opensuse-security-announce/2016-05/msg00015.html
- opensuse-security-announce/2016-03/msg00003.html
- opensuse-security-announce/2016-03/msg00011.html
- opensuse-security-announce/2016-04/msg00038.html
- opensuse-security-announce/2016-05/msg00017.html
- opensuse-security-announce/2016-03/msg00025.html
- opensuse-security-announce/2016-03/msg00004.html
- opensuse-security-announce/2016-03/msg00007.html
- opensuse-security-announce/2016-03/msg00001.html