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Ubuntu 16.04 ESM : PCRE vulnerabilities (USN-5665-1)

high Nessus Plugin ID 166014

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5665-1 advisory.

 It was discovered that PCRE incorrectly handled certain regular expressions. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service. (CVE-2017-6004)

 It was discovered that PCRE incorrectly handled certain Unicode encoding. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service. (CVE-2017-7186)

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-5665-1

Plugin Details

Severity: High

ID: 166014

File Name: ubuntu_USN-5665-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/11/2022

Updated: 8/28/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2017-7186

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libpcrecpp0v5, p-cpe:/a:canonical:ubuntu_linux:pcregrep, p-cpe:/a:canonical:ubuntu_linux:libpcre16-3, p-cpe:/a:canonical:ubuntu_linux:libpcre3-dev, p-cpe:/a:canonical:ubuntu_linux:libpcre32-3, p-cpe:/a:canonical:ubuntu_linux:libpcre3, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/10/2022

Vulnerability Publication Date: 2/16/2017

Reference Information

CVE: CVE-2017-6004, CVE-2017-7186

USN: 5665-1