CVE-2010-4052 Denial of service in n/a
Attackers can cause denial of service in applications using glibc by submitting regular expressions with adjacent repetition operators, exhausting stack resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-4052?
CVE-2010-4052 is a medium-severity denial of service vulnerability in Gnu Glibc, published on 13 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack consumption vulnerability in the regcomp implementation in the GNU C Library (aka glibc or libc6) through 2.11.3, and 2.12.x through 2.12.2, allows context-dependent attackers to cause a denial of service (resource exhaustion) via a regular expression containing adjacent repetition operators, as demonstrated by a {10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD.
Weakness: CWE-399
Which versions are affected by CVE-2010-4052?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2010-4052?
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-2010-4052 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-4052 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2010-4052, GHSA-xq2p-cgwj-87m3.