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Debian DSA-2118-1 : subversion - logic flaw

medium Nessus Plugin ID 49815

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Synopsis

The remote Debian host is missing a security-related update.

Description

Kamesh Jayachandran and C. Michael Pilat discovered that the mod_dav_svn module of Subversion, a version control system, is not properly enforcing access rules which are scope-limited to named repositories. If the SVNPathAuthz option is set to 'short_circuit' set this may enable an unprivileged attacker to bypass intended access restrictions and disclose or modify repository content.

Solution

Upgrade the subversion packages.

As a workaround it is also possible to set SVNPathAuthz to 'on' but be advised that this can result in a performance decrease for large repositories.

For the stable distribution (lenny), this problem has been fixed in version 1.5.1dfsg1-5.

See Also

https://www.debian.org/security/2010/dsa-2118

Plugin Details

Severity: Medium

ID: 49815

File Name: debian_DSA-2118.nasl

Version: 1.12

Type: local

Agent: unix

Published: 10/11/2010

Updated: 1/4/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:subversion, cpe:/o:debian:debian_linux:5.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/8/2010

Reference Information

CVE: CVE-2010-3315

BID: 43678

DSA: 2118