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Linux Distros Unpatched Vulnerability : CVE-2016-2167

medium Nessus Plugin ID 219253

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.
 (CVE-2016-2167)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2016-2167

Plugin Details

Severity: Medium

ID: 219253

File Name: unpatched_CVE_2016_2167.nasl

Version: 1.4

Type: Local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/2/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.04

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.2

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

CVSS Score Source: CVE-2016-2167

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.2

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:U/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:mod_dav_svn, p-cpe:/a:centos:centos:subversion-devel, p-cpe:/a:centos:centos:subversion-gnome, p-cpe:/a:centos:centos:subversion-javahl, p-cpe:/a:centos:centos:subversion-kde, p-cpe:/a:centos:centos:subversion-libs, p-cpe:/a:centos:centos:subversion-perl, p-cpe:/a:centos:centos:subversion-python, p-cpe:/a:centos:centos:subversion-ruby, p-cpe:/a:centos:centos:subversion-svn2cl, p-cpe:/a:centos:centos:subversion-tools, p-cpe:/a:centos:centos:subversion, p-cpe:/a:redhat:enterprise_linux:mod_dav_svn, p-cpe:/a:redhat:enterprise_linux:subversion-devel, p-cpe:/a:redhat:enterprise_linux:subversion-gnome, p-cpe:/a:redhat:enterprise_linux:subversion-javahl, p-cpe:/a:redhat:enterprise_linux:subversion-kde, p-cpe:/a:redhat:enterprise_linux:subversion-libs, p-cpe:/a:redhat:enterprise_linux:subversion-perl, p-cpe:/a:redhat:enterprise_linux:subversion-python, p-cpe:/a:redhat:enterprise_linux:subversion-ruby, p-cpe:/a:redhat:enterprise_linux:subversion-svn2cl, p-cpe:/a:redhat:enterprise_linux:subversion-tools, p-cpe:/a:redhat:enterprise_linux:subversion

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/28/2016

Reference Information

CVE: CVE-2016-2167