CVE-2016-10196
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 5.21% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- debian/debian linux · libevent project/libevent · mozilla/firefox · mozilla/thunderbird
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2017/dsa-3789Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/31/17Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96014Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1201Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343453Issue Tracking, Third Party Advisory
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogRelease Notes, Third Party Advisory
- https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5Patch, Third Party Advisory
- https://github.com/libevent/libevent/issues/318Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201705-01Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-10/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-11/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-13/Third Party Advisory
- http://www.debian.org/security/2017/dsa-3789Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/31/17Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96014Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1201Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343453Issue Tracking, Third Party Advisory
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogRelease Notes, Third Party Advisory
- https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5Patch, Third Party Advisory
- https://github.com/libevent/libevent/issues/318Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/201705-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.