CVE-2007-1659 Denial of service in n/a
Attackers can cause crashes or execute arbitrary code in applications using the PCRE library by providing malicious regex patterns with orphan escape codes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-1659?
CVE-2007-1659 is a medium-severity denial of service 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 7.3 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via regex patterns containing unmatched "\Q\E" sequences with orphan "\E" codes.
Weakness: CWE-119
Which versions are affected by CVE-2007-1659?
It affects 1 product.
Products include Pcre Pcre.
How do I fix CVE-2007-1659?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2007-1659 being exploited?
There is no known exploitation of CVE-2007-1659 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2007-1659, GHSA-h2p6-9f3w-vqw9.