Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : icu vulnerabilities (USN-591-1)

high Nessus Plugin ID 31678

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Will Drewry discovered that libicu did not properly handle '\0' when processing regular expressions. If an application linked against libicu processed a crafted regular expression, an attacker could execute arbitrary code with privileges of the user invoking the program. (CVE-2007-4770)

Will Drewry discovered that libicu did not properly limit its backtracking stack size. If an application linked against libicu processed a crafted regular expression, an attacker could cause a denial of service via resource exhaustion. (CVE-2007-4771).

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://usn.ubuntu.com/591-1/

Plugin Details

Severity: High

ID: 31678

File Name: ubuntu_USN-591-1.nasl

Version: 1.17

Type: local

Agent: unix

Published: 3/26/2008

Updated: 1/19/2021

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:7.04, p-cpe:/a:canonical:ubuntu_linux:libicu36-dev, p-cpe:/a:canonical:ubuntu_linux:libicu36, cpe:/o:canonical:ubuntu_linux:7.10, p-cpe:/a:canonical:ubuntu_linux:libicu34-dev, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, cpe:/o:canonical:ubuntu_linux:6.10, p-cpe:/a:canonical:ubuntu_linux:icu-doc, p-cpe:/a:canonical:ubuntu_linux:libicu34

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/24/2008

Reference Information

CVE: CVE-2007-4770, CVE-2007-4771

BID: 27455

CWE: 399

USN: 591-1