CVE-2016-5417

MEDIUM

Description

Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.

References

http://www.openwall.com/lists/oss-security/2016/08/02/5

http://www.securityfocus.com/bid/92257

https://sourceware.org/bugzilla/show_bug.cgi?id=19257

https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=2212c1420c92a33b0e0bd9a34938c9814a56c0f7

https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html

Details

Source: MITRE

Published: 2017-02-17

Updated: 2017-02-17

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH