CVE-2016-10196

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.54% Top 20%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/96014 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:1106 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/ third party advisory
http://www.debian.org/security/2017/dsa-3789 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/02/02/7 third party advisory mailing list
https://www.mozilla.org/security/advisories/mfsa2017-11/ third party advisory
https://security.gentoo.org/glsa/201705-01 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/ third party advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/ third party advisory
http://www.openwall.com/lists/oss-security/2017/01/31/17 third party advisory mailing list
http://www.securitytracker.com/id/1038320 vdb entry third party advisory broken link
https://bugzilla.mozilla.org/show_bug.cgi?id=1343453 issue tracking third party advisory
https://github.com/libevent/libevent/issues/318 issue tracking exploit third party advisory
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog third party advisory release notes
https://access.redhat.com/errata/RHSA-2017:1104 third party advisory vendor advisory
https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5 third party advisory patch
https://access.redhat.com/errata/RHSA-2017:1201 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-10196?
CVE-2016-10196 has been scored as a high severity vulnerability.
How to fix CVE-2016-10196?
To fix CVE-2016-10196, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-10196 being actively exploited in the wild?
It is possible that CVE-2016-10196 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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