Vulnerability Monitor

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CVE-2016-10197

The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.

Published

2017-03-15T15:59:00.500

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	8.0	Yes
Application	libevent_project	libevent	≤ 2.1.5	Yes

References

http://www.debian.org/security/2017/dsa-3789 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2017/01/31/17 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2017/02/02/7 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/96014 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038320 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2017:1201 Third Party Advisory ([email protected])
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog Release Notes, Third Party Advisory ([email protected])
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e Patch, Third Party Advisory ([email protected])
https://github.com/libevent/libevent/issues/332 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201705-01 Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3789 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2017/01/31/17 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2017/02/02/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/96014 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038320 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1104 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1201 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libevent/libevent/issues/332 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201705-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)