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libpcre: Heap integer overflow

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200508-17 / libpcre
Release Date August 25, 2005
Latest Revision August 25, 2005: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-libs/libpcre < 6.3 >= 6.3 All supported architectures

Related bugreports: #103337

Synopsis

libpcre is vulnerable to a heap integer overflow, possibly leading to the execution of arbitrary code.

2.  Impact Information

Background

libpcre is a library providing functions for Perl-compatible regular expressions.

Description

libpcre fails to check certain quantifier values in regular expressions for sane values.

Impact

An attacker could possibly exploit this vulnerability to execute arbitrary code by sending specially crafted regular expressions to applications making use of the libpcre library.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All libpcre users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libpcre-6.3"

4.  References



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Page updated August 25, 2005

Summary: This is a Gentoo Linux Security Advisory

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