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Ubuntu 14.04 LTS : Libtasn1 vulnerabilities (USN-2294-1)

critical Nessus Plugin ID 76704

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2294-1 advisory.

 It was discovered that Libtasn1 incorrectly handled certain ASN.1 data structures. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3467)

 It was discovered that Libtasn1 incorrectly handled negative bit lengths. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-3468)

 It was discovered that Libtasn1 incorrectly handled certain ASN.1 data. An attacker could exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service. (CVE-2014-3469)

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

Note that Nessus has not tested for these issues 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-2294-1

Plugin Details

Severity: Critical

ID: 76704

File Name: ubuntu_USN-2294-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 7/23/2014

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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-2014-3468

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

CVSS Score Source: CVE-2014-3469

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6, p-cpe:/a:canonical:ubuntu_linux:libtasn1-bin, p-cpe:/a:canonical:ubuntu_linux:libtasn1-3-dev, p-cpe:/a:canonical:ubuntu_linux:libtasn1-3-bin, p-cpe:/a:canonical:ubuntu_linux:libtasn1-6-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2014

Vulnerability Publication Date: 6/5/2014

Reference Information

CVE: CVE-2014-3467, CVE-2014-3468, CVE-2014-3469

BID: 67745, 67748, 67749

USN: 2294-1