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Ubuntu 14.04 LTS : libevent vulnerability (USN-2477-1)

critical Nessus Plugin ID 80852

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2477-1 advisory.

 Andrew Bartlett discovered that libevent incorrectly handled large inputs to the evbuffer API. A remote attacker could possibly use this issue with an application that uses libevent to cause a denial of service, or possibly execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2477-1

Plugin Details

Severity: Critical

ID: 80852

File Name: ubuntu_USN-2477-1.nasl

Version: 1.12

Type: local

Agent: unix

Published: 1/20/2015

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

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-2014-6272

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libevent-openssl-2.0-5, p-cpe:/a:canonical:ubuntu_linux:libevent-pthreads-2.0-5, p-cpe:/a:canonical:ubuntu_linux:libevent-extra-2.0-5, p-cpe:/a:canonical:ubuntu_linux:libevent-dev, p-cpe:/a:canonical:ubuntu_linux:libevent-core-2.0-5, p-cpe:/a:canonical:ubuntu_linux:libevent-2.0-5

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/19/2015

Vulnerability Publication Date: 8/24/2015

Reference Information

CVE: CVE-2014-6272

BID: 71971

USN: 2477-1