CVE-2016-10195
CRITICALCVSS 9.8/10EPSS 6.68%
Last modified
CVE-2016-10195 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.. EPSS estimates a 6.68% chance of exploitation in the next 30 days.
Description
The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libevent Project | Libevent | <= 2.1.5 |
| Debian | Debian Linux | 8.0 |
References
- http://www.debian.org/security/2017/dsa-3789Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/31/17Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/7Mailing List, Patch, 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://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogRelease Notes, Third Party Advisory
- https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86dPatch, Third Party Advisory
- https://github.com/libevent/libevent/issues/317Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201705-01Third Party Advisory
- http://www.debian.org/security/2017/dsa-3789Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/31/17Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/7Mailing List, Patch, 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://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLogRelease Notes, Third Party Advisory
- https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86dPatch, Third Party Advisory
- https://github.com/libevent/libevent/issues/317Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201705-01Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-10195?
The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.
How severe is CVE-2016-10195?
CVE-2016-10195 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.68% probability of exploitation in the next 30 days.
How do I fix CVE-2016-10195?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-10195?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST