GLSA-200406-07 : Subversion: Remote heap overflow

This script is Copyright (C) 2004-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200406-07
(Subversion: Remote heap overflow)

The svn protocol parser trusts the indicated length of a URI string sent by
a client. This allows a client to specify a very long string, thereby
causing svnserve to allocate enough memory to hold that string. This may
cause a Denial of Service. Alternately, given a string that causes an
integer overflow in the variable holding the string length, the server
might allocate less memory than required, allowing a heap overflow. This
heap overflow may then be exploitable, allowing remote code execution. The
attacker does not need read or write access to the Subversion repository
being served, since even un-authenticated users can send svn protocol

Impact :

Ranges from remote Denial of Service to potential arbitrary code execution
with privileges of the svnserve process.

Workaround :

Servers without svnserve running are not vulnerable. Disable svnserve and
use DAV for access instead.

See also :

Solution :

All users should upgrade to the latest version of Subversion.
# emerge sync
# emerge -pv '>=dev-util/subversion-1.0.4-r1'
# emerge '>=dev-util/subversion-1.0.4-r1'

Risk factor :

Critical / CVSS Base Score : 10.0

Family: Gentoo Local Security Checks

Nessus Plugin ID: 14518 (gentoo_GLSA-200406-07.nasl)

Bugtraq ID:

CVE ID: CVE-2004-0413

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