Detections
Analytics

Ubuntu 14.04 LTS / 16.04 LTS : Subversion vulnerabilities (USN-3388-1)

critical Nessus Plugin ID 102424

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

Joern Schneeweisz discovered that Subversion did not properly handle host names in 'svn+ssh://' URLs. A remote attacker could use this to construct a subversion repository that when accessed could run arbitrary code with the privileges of the user. (CVE-2017-9800)

Daniel Shahaf and James McCoy discovered that Subversion did not properly verify realms when using Cyrus SASL authentication. A remote attacker could use this to possibly bypass intended access restrictions. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2167)

Florian Weimer discovered that Subversion clients did not properly restrict XML entity expansion when accessing http(s):// URLs. A remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-8734).

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3388-1

Plugin Details

Severity: Critical

ID: 102424

File Name: ubuntu_USN-3388-1.nasl

Version: 3.15

Type: local

Agent: unix

Published: 8/11/2017

Updated: 10/20/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2017-9800

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libapache2-mod-svn, p-cpe:/a:canonical:ubuntu_linux:libapache2-svn, p-cpe:/a:canonical:ubuntu_linux:libsvn-dev, p-cpe:/a:canonical:ubuntu_linux:libsvn-java, p-cpe:/a:canonical:ubuntu_linux:libsvn-perl, p-cpe:/a:canonical:ubuntu_linux:libsvn-ruby1.8, p-cpe:/a:canonical:ubuntu_linux:libsvn1, p-cpe:/a:canonical:ubuntu_linux:python-subversion, p-cpe:/a:canonical:ubuntu_linux:ruby-svn, p-cpe:/a:canonical:ubuntu_linux:subversion, p-cpe:/a:canonical:ubuntu_linux:subversion-tools, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2017

Vulnerability Publication Date: 5/5/2016

Reference Information

CVE: CVE-2016-2167, CVE-2016-8734, CVE-2017-9800

USN: 3388-1