Detections
Analytics

Apache Subversion 1.8.x < 1.8.17 / 1.9.x < 1.9.5 DoS

medium Nessus Network Monitor Plugin ID 9907

Synopsis

The remote host is running a version of Apache Subversion (SVN) that is affected by a Denial of Service (DoS) attack vector.

Description

The version of Apache Subversion installed on the remote host is version 1.8.x prior to 1.8.17 or 1.9.x prior to 1.9.5. It is, therefore, affected by an XXE (Xml eXternal Entity) injection flaw in the 'mod_dontdothat' module in 'libsvn_ra_serf/xml.c' that is triggered during the parsing of XML data. The issue is due to an incorrectly configured XML parser accepting XML external entities from an untrusted source. By sending specially crafted XML data, a remote attacker can exhaust available resources.

Solution

Upgrade to Apache Subversion 1.9.5 or later. If 1.9.5 cannot be obtained, 1.8.17 is also patched for these vulnerabilities.

See Also

http://subversion.apache.org/security/CVE-2016-8734-advisory.txt

Plugin Details

Severity: Medium

ID: 9907

Family: Web Servers

Published: 1/25/2017

Updated: 3/6/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: cpe:/a:apache:subversion

Patch Publication Date: 11/29/2016

Vulnerability Publication Date: 11/29/2016

Reference Information

CVE: CVE-2016-8734

BID: 94588