National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-7423 Detail

Current Description

The send_dg function in resolv/res_send.c in GNU C Library (aka glibc or 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 requests that trigger a call to the getaddrinfo function.

Source:  MITRE
Description Last Modified:  07/18/2016
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0863.html
http://www.openwall.com/lists/oss-security/2015/01/28/20 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/72844 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2519-1 Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1207 Third Party Advisory
https://github.com/golang/go/issues/6336 Third Party Advisory
https://security.gentoo.org/glsa/201602-02 Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=15946 Issue Tracking

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.20


Change History

14 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-7423
NVD Published Date:
02/24/2015
NVD Last Modified:
10/30/2018