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Debian DLA-448-1 : subversion security update

medium Nessus Plugin ID 90805

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Synopsis

The remote Debian host is missing a security update.

Description

CVE-2016-2167

svnserve, the svn:// protocol server, can optionally use the Cyrus SASL library for authentication, integrity protection, and encryption.
Due to a programming oversight, authentication against Cyrus SASL would permit the remote user to specify a realm string which is a prefix of the expected realm string.

CVE-2016-2168

Subversion's httpd servers are vulnerable to a remotely triggerable crash in the mod_authz_svn module. The crash can occur during an authorization check for a COPY or MOVE request with a specially crafted header value.

This allows remote attackers to cause a denial of service.

-- James GPG Key: 4096R/331BA3DB 2011-12-05 James McCoy <[email protected]>

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2016/05/msg00000.html

https://packages.debian.org/source/wheezy/subversion

Plugin Details

Severity: Medium

ID: 90805

File Name: debian_DLA-448.nasl

Version: 2.10

Type: local

Agent: unix

Published: 5/2/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:python-subversion, cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:libsvn-doc, p-cpe:/a:debian:debian_linux:libsvn-ruby, p-cpe:/a:debian:debian_linux:subversion-tools, p-cpe:/a:debian:debian_linux:libsvn-java, p-cpe:/a:debian:debian_linux:libsvn-ruby1.8, p-cpe:/a:debian:debian_linux:libsvn1, p-cpe:/a:debian:debian_linux:subversion, p-cpe:/a:debian:debian_linux:libapache2-svn, p-cpe:/a:debian:debian_linux:libsvn-perl, p-cpe:/a:debian:debian_linux:libsvn-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2016

Reference Information

CVE: CVE-2016-2167, CVE-2016-2168