CVE-2010-4777 Denial of service in n/a
Attackers can cause denial of service in Perl applications via crafted input when debugging is enabled, affecting systems using affected Perl versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-4777?
CVE-2010-4777 is a medium-severity denial of service vulnerability in n/a, published on 10 Feb 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
Weakness: CWE-20
Which versions are affected by CVE-2010-4777?
It affects 1 product.
Products include Perl Perl.
How do I fix CVE-2010-4777?
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-2010-4777 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-4777 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2010-4777, GHSA-r32j-2hp8-5qh2.