CVE-2007-1660 Memory corruption in n/a

Medium 6.8 Published 7 Nov 2007 Updated 7 Aug 2024

A buffer overflow in the PCRE library allows attackers to cause a crash or potentially execute arbitrary code via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2007-1660?

CVE-2007-1660 is a medium-severity memory corruption vulnerability in n/a, published on 7 Nov 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.

Weakness: CWE-119

Which versions are affected by CVE-2007-1660?

It affects 1 product.

Linux distribution packages (12)

`pcre` Red Hat:enterprise_linux:4::as	All versions	`0:4.5-4.el4_5.1`
`pcre-debuginfo` Red Hat:enterprise_linux:4::as	All versions	`0:4.5-4.el4_5.1`
`pcre-devel` Red Hat:enterprise_linux:4::as	All versions	`0:4.5-4.el4_5.1`
`pcre` Red Hat:enterprise_linux:4::desktop	All versions	`0:4.5-4.el4_5.1`
`pcre-debuginfo` Red Hat:enterprise_linux:4::desktop	All versions	`0:4.5-4.el4_5.1`
`pcre-devel` Red Hat:enterprise_linux:4::desktop	All versions	`0:4.5-4.el4_5.1`
`pcre` Red Hat:enterprise_linux:4::es	All versions	`0:4.5-4.el4_5.1`
`pcre-debuginfo` Red Hat:enterprise_linux:4::es	All versions	`0:4.5-4.el4_5.1`
`pcre-devel` Red Hat:enterprise_linux:4::es	All versions	`0:4.5-4.el4_5.1`
`pcre` Red Hat:enterprise_linux:4::ws	All versions	`0:4.5-4.el4_5.1`
`pcre-debuginfo` Red Hat:enterprise_linux:4::ws	All versions	`0:4.5-4.el4_5.1`
`pcre-devel` Red Hat:enterprise_linux:4::ws	All versions	`0:4.5-4.el4_5.1`

Products include Pcre Pcre.

How do I fix CVE-2007-1660?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2007-1660 being exploited?

There is no known exploitation of CVE-2007-1660 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2007-1660, GHSA-v294-5p22-v3ph, RHSA-2007:0968.