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CVE-2010-4051

Status Candidate

Overview

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 (application crash) via a regular expression containing adjacent bounded repetitions that bypass the intended RE_DUP_MAX limitation, as demonstrated by a {10,}{10,}{10,}{10,}{10,} sequence in the proftpd.gnu.c exploit for ProFTPD, related to a "RE_DUP_MAX overflow."

Related Files

OS X / Safari / Firefox REGEX Denial Of Service
Posted Mar 14, 2014
Authored by Maksymilian Arciemowicz | Site cxsecurity.com

Mac OS X, Safari, Firefox and Kaspersky all suffer from a regular expression denial of service condition that was discovered long ago in regcomp().

tags | exploit, denial of service
systems | apple, osx
advisories | CVE-2010-4051, CVE-2010-4052, CVE-2011-3336
SHA-256 | 8d9bccde42a49a51d60d66232f596249d63d2b6443263209bcfa4a6ea5ad5d2f
FreeBSD 9.1 ftpd Remote Denial Of Service
Posted Feb 2, 2013
Authored by Maksymilian Arciemowicz | Site cxsecurity.com

FreeBSD version 9.1 suffers from a remote ftpd denial of service vulnerability.

tags | exploit, remote, denial of service
systems | linux, freebsd
advisories | CVE-2011-0418, CVE-2010-2632, CVE-2011-0418, CVE-2010-4051, CVE-2010-4052
SHA-256 | ee47445b28383e3aa5a3bd3988e583b7a429051d6f88bc8757efc1a780f4fbf8
GNU libc/regcomp(3) Overflow / Stack Exhaustion
Posted Jan 7, 2011
Authored by Maksymilian Arciemowicz

GNU libc/regcomp(3) suffers from overflow and stack exhaustion vulnerabilities. proftpd.gnu.c exploit included.

tags | exploit, overflow, vulnerability
systems | linux
advisories | CVE-2010-4051, CVE-2010-4052
SHA-256 | 43e26bde432a5e50b401382b8c5f29be36e9aef9c061f0a6cff7b5f6cc7132b4
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