CVE-2013-7423

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N).

Overview

First reported 9 years ago

2015-02-24 15:59:00

Last updated 6 years ago

2018-10-30 16:27:00

Affected Software

Red Hat Enterprise Linux Server Advanced mission critical Update Support (AUS) 6.5

6.5

Canonical Ubuntu Linux 10.04 LTS

10.04

Canonical Ubuntu Linux 12.04 LTS

12.04

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 14.10

14.10

OpenSUSE 13.1

13.1

OpenSUSE 13.2

13.2

GNU glibc

References

openSUSE-SU-2015:0351

Third Party Advisory

RHSA-2015:0863

[oss-security] 20150128 Re: the other glibc issue

Mailing List, Third Party Advisory

72844

Third Party Advisory, VDB Entry

USN-2519-1

Third Party Advisory

RHSA-2016:1207

Third Party Advisory

https://github.com/golang/go/issues/6336

Third Party Advisory

GLSA-201602-02

Third Party Advisory

https://sourceware.org/bugzilla/show_bug.cgi?id=15946

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