Debian DSA-1511-1 : libicu - various

high Nessus Plugin ID 31358

Synopsis

The remote Debian host is missing a security-related update.

Description

Several local vulnerabilities have been discovered in libicu, International Components for Unicode, The Common Vulnerabilities and Exposures project identifies the following problems :

- CVE-2007-4770 libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.

- CVE-2007-4771 Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack.

Solution

Upgrade the libicu package.

For the stable distribution (etch), these problems have been fixed in version 3.6-2etch1.

Plugin Details

Severity: High

ID: 31358

File Name: debian_DSA-1511.nasl

Version: 1.17

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/7/2008

Updated: 1/4/2021

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

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libicu, cpe:/o:debian:debian_linux:4.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/3/2008

Reference Information

BID: 27455

DSA: 1511

Detections

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