CVE-2015-1794

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-06 · updated 2026-06-17
Weakness: CWE-189

Description

The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.

Affected products

OpenSSL: 1.0.2, 1.0.2a, 1.0.2b, 1.0.2c, 1.0.2d

References

http://fortiguard.com/advisory/openssl-advisory-december-2015
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
http://openssl.org/news/secadv/20151203.txt
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
http://www.securitytracker.com/id/1034294
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
http://www.ubuntu.com/usn/USN-2830-1
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c

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