7.5
HIGH
CVE-2005-2491
PCRE Integer Overflow Vulnerability
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.
INFO
Published Date :
Aug. 23, 2005, 4 a.m.
Last Modified :
Feb. 14, 2024, 1:17 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.4
Exploitability Score :
10.0
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2005-2491.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2005-2491 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2005-2491 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Removed Reference https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Jun. 06, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Mar. 30, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Mar. 30, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 01, 2020
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Apr. 01, 2020
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Aug. 15, 2019
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79@%3Ccvs.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac@%3Ccvs.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Oct. 19, 2018
Action Type Old Value New Value Removed Reference http://www.securityfocus.com/archive/1/archive/1/427046/100/0/threaded [No Types Assigned] Removed Reference http://www.securityfocus.com/archive/1/archive/1/428138/100/0/threaded [No Types Assigned] Added Reference http://www.securityfocus.com/archive/1/428138/100/0/threaded [No Types Assigned] Added Reference http://www.securityfocus.com/archive/1/427046/100/0/threaded [No Types Assigned] -
CVE Modified by [email protected]
Oct. 11, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1659 [Tool Signature, US Government Resource] Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11516 [No Types Assigned] Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:735 [Tool Signature, US Government Resource] Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:1496 [Tool Signature, US Government Resource] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A735 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1659 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1496 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11516 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 16, 2016
Action Type Old Value New Value Added Reference http://www.gentoo.org/security/en/glsa/glsa-200509-08.xml [No Types Assigned] -
CVE Modified by [email protected]
Oct. 18, 2016
Action Type Old Value New Value Removed Reference http://marc.theaimsgroup.com/?l=bugtraq&m=112605112027335&w=2 Removed Reference http://marc.theaimsgroup.com/?l=bugtraq&m=112606064317223&w=2 Added Reference http://marc.info/?l=bugtraq&m=112606064317223&w=2 Added Reference http://marc.info/?l=bugtraq&m=112605112027335&w=2 -
Initial Analysis by [email protected]
Aug. 23, 2005
Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2005-2491 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2005-2491
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.85 }} -0.50%
score
0.88503
percentile
CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability