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| GNU libc regcomp buffer overflow / resources exhaustion | | Published: |  | 07.01.2011 | | Source: |  | BUGTRAQ | | SecurityVulns ID: |  | 11342 | | Type: |  | library | | Level: |  | 7/10 | | Description: |  | Resources exhaustion and buffer overflow on regular expressions like ".*{10,}{10,}{10,}{10,}{10,}" |
| CVE: |  | 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.) | | | | CVE-2010-4051 (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.") |
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