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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-1794
• https://git.openssl.org/?p=openssl.git;a=commit;h=ada57746b6b80beae73111fe1291bf8dd89af91c
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
• 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