Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in...

Vulnerability Description

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

References

• http://www.securityfocus.com/bid/96014
• https://access.redhat.com/errata/RHSA-2017:1106
• https://www.mozilla.org/security/advisories/mfsa2017-12/
• http://www.debian.org/security/2017/dsa-3789
• http://www.openwall.com/lists/oss-security/2017/02/02/7
• https://www.mozilla.org/security/advisories/mfsa2017-11/
• https://security.gentoo.org/glsa/201705-01
• https://www.mozilla.org/security/advisories/mfsa2017-10/
• https://www.mozilla.org/security/advisories/mfsa2017-13/
• http://www.openwall.com/lists/oss-security/2017/01/31/17
• http://www.securitytracker.com/id/1038320
• https://bugzilla.mozilla.org/show_bug.cgi?id=1343453
• https://github.com/libevent/libevent/issues/318
• https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
• https://access.redhat.com/errata/RHSA-2017:1104
• https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
• https://access.redhat.com/errata/RHSA-2017:1201