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ubuntucveUbuntu.comUB:CVE-2013-7423
HistoryFeb 24, 2015 - 12:00 a.m.

CVE-2013-7423

2015-02-2400:00:00
ubuntu.com
ubuntu.com
12

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

71.4%

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.

Bugs

Notes

Author Note
mdeslaur fixed by any/cvs-resolv-reuse-fd.diff in utopic
OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarcheglibc< 2.11.1-0ubuntu7.21UNKNOWN
ubuntu12.04noarcheglibc< 2.15-0ubuntu10.11UNKNOWN
ubuntu14.04noarcheglibc< 2.19-0ubuntu6.6UNKNOWN

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.003 Low

EPSS

Percentile

71.4%