CVE-2013-7423

CVE Details

Release Date:	2013-09-12
Impact:	Moderate	What is this?

Description

The send_dg function in resolv/res_send.c in GNU C Library (aka glibcor libc6) before 2.20 does not properly reuse file descriptors, which allows remote attackers to send DNS queries to unintended locations via a large number of request that trigger a call to the getaddrinfo function.

See more information about CVE-2013-7423 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	1.2
Vector String:	AV:L/AC:H/Au:N/C:P/I:N/A:N
Version:	2.0
Attack Vector:	Local
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (glibc)	ELSA-2015-0863	2015-04-21
Oracle Linux version 7 (glibc)	ELSA-2015-2199	2015-11-24
Oracle VM version 3.3 (glibc)	OVMSA-2015-0055	2015-04-21