National Cyber-Alert System

Vulnerability Summary for CVE-2008-1026

Overview

Integer overflow in the PCRE regular expression compiler (JavaScriptCore/pcre/pcre_compile.cpp) in Apple WebKit, as used in safari before 3.1.1, allows remote attackers to execute arbitrary code via a regular expression with large, nested repetition counts, which triggers a heap-based buffer overflow.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Red Hat (04/24/2008)

Not vulnerable. This issue did not affect versions of pcre as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: MISC

Name: http://www.zerodayinitiative.com/advisories/ZDI-08-022

Type: Patch Information

Hyperlink:http://www.zerodayinitiative.com/advisories/ZDI-08-022

External Source: CONFIRM

Name: http://support.apple.com/kb/HT1467

Type: Patch Information

Hyperlink:http://support.apple.com/kb/HT1467

External Source: SECTRACK

Name: 1019870

Hyperlink:http://www.securitytracker.com/id?1019870

External Source: BID

Name: 28815

Hyperlink:http://www.securityfocus.com/bid/28815

External Source: BUGTRAQ

Name: 20080416 ZDI-08-022: Apple Safari WebKit PCRE Handling Integer Overflow Vulnerability

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/490990/100/0/threaded

External Source: VUPEN

Name: ADV-2008-2094

Hyperlink:http://www.frsirt.com/english/advisories/2008/2094/references

External Source: SREASON

Name: 3815

Hyperlink:http://securityreason.com/securityalert/3815

External Source: SECUNIA

Name: 31074

Hyperlink:http://secunia.com/advisories/31074

External Source: APPLE

Name: APPLE-SA-2008-07-11

Hyperlink:http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html

External Source: XF

Name: apple-safari-webkit-pcrecompile-bo(41859)

Hyperlink:http://xforce.iss.net/xforce/xfdb/41859

External Source: VUPEN

Name: ADV-2008-1250

Hyperlink:http://www.frsirt.com/english/advisories/2008/1250/references

External Source: SECUNIA

Name: 29846

Hyperlink:http://secunia.com/advisories/29846

External Source: APPLE

Name: APPLE-SA-2008-04-16

Hyperlink:http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html