Vulnerability in GNU Glibc
CVE-2010-4052
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.513 (98.9th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.513 · newest: 0.513 · change: 0.000
Affected products
- GNU Glibc — versions 1.00, 1.01, 1.02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/42547 (Vendor Advisory, third-party-advisory)
- securitytracker.com/id (vdb-entry)
- seclists.org/fulldisclosure/2011/Jan/78 (mailing-list, Exploit)
- www.kb.cert.org/vuls/id/912279 (US Government Resource, third-party-advisory)
- www.securityfocus.com/bid/45233 (Exploit, vdb-entry)
- www.securityfocus.com/archive/1/515589/100/0/threaded (mailing-list)
- cxib.net/stuff/proftpd.gnu.c (Patch)
- www.exploit-db.com/exploits/15935 (exploit)
- securityreason.com/securityalert/8003 (Exploit, third-party-advisory)
- securityreason.com/achievement_securityalert/93 (Exploit, third-party-advisory)
Frequently asked questions
- What is CVE-2010-4052?
- CVE-2010-4052 is a vulnerability in GNU Glibc, classified under CWE-399. Published 2011-01-13.
- Is CVE-2010-4052 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.