CVE-2005-2491
Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple products such as Python, Ethereal, and PHP, allows attackers to execute arbitrary code via quantifier values in regular expressions, which…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple products such as Python, Ethereal, and PHP, allows attackers to execute arbitrary code via quantifier values in regular expressions, which leads to a heap-based buffer overflow.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.34% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- pcre/pcre
- Source
- secalert@redhat.com
References
- ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.10/SCOSA-2006.10.txt
- ftp://patches.sgi.com/support/free/security/advisories/20060401-01-U
- http://docs.info.apple.com/article.html?artnum=302847
- http://itrc.hp.com/service/cki/docDisplay.do?docId=c00786522
- http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
- http://marc.info/?l=bugtraq&m=112605112027335&w=2
- http://marc.info/?l=bugtraq&m=112606064317223&w=2
- http://marc.info/?l=bugtraq&m=130497311408250&w=2
- http://secunia.com/advisories/16502
- http://secunia.com/advisories/16679
- http://secunia.com/advisories/17252
- http://secunia.com/advisories/17813
- http://secunia.com/advisories/19072
- http://secunia.com/advisories/19193
- http://secunia.com/advisories/19532
- http://secunia.com/advisories/21522
- http://secunia.com/advisories/22691
- http://secunia.com/advisories/22875
- http://securityreason.com/securityalert/604
- http://securitytracker.com/id?1014744Patch
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102198-1
- http://support.avaya.com/elmodocs2/security/ASA-2005-216.pdf
- http://support.avaya.com/elmodocs2/security/ASA-2005-223.pdf
- http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
- http://support.avaya.com/elmodocs2/security/ASA-2006-159.htm
- http://www.debian.org/security/2005/dsa-800
- http://www.debian.org/security/2005/dsa-817
- http://www.debian.org/security/2005/dsa-819
- http://www.debian.org/security/2005/dsa-821
- http://www.ethereal.com/appnotes/enpa-sa-00021.htmlURL Repurposed
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.