Apple Safari WebKit pcre_compile.cpp buffer overflow
| apple-safari-webkit-pcrecompile-bo (41859) |  High Risk |
Description:
Apple Safari WebKit is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by pcre_compile.cpp. By persuading a victim to visit a Web site containing JavaScript regular expressions with large, nested repetition counts, an attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.
Platforms Affected:
- Apple, iPhone 1.0
- Apple, iPhone 1.1.1
- Apple, iPhone 1.1.2
- Apple, iPhone 1.1.3
- Apple, iPhone 1.1.4
- Apple, iPod touch 1.1
- Apple, iPod touch 1.1.1
- Apple, iPod touch 1.1.2
- Apple, iPod touch 1.1.3
- Apple, iPod touch 1.1.4
- Apple, Safari 1.0
- Apple, Safari 1.1
- Apple, Safari 1.2
- Apple, Safari 1.2.1
- Apple, Safari 1.2.2
- Apple, Safari 1.2.3
- Apple, Safari 1.3
- Apple, Safari 1.3.1
- Apple, Safari 2.0.1
- Apple, Safari 2.0.2
- Apple, Safari 2.0.3
- Apple, Safari 2.0.4
- Apple, Safari 3 Beta
- Apple, Safari 3
- Apple, Safari 3.0.1 Beta
- Apple, Safari 3.0.2 Beta
- Apple, Safari 3.0.3
- Apple, Safari 3.0.4 Beta
- Apple, Safari 3.1 Beta
- Apple, Safari 3.1
- Apple, Safari Beta2
Remedy:
Refer to APPLE-SA-2008-04-16 for patch, upgrade or suggested workaround information. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Gain Access
References:
- Apple Web site, About the security content of iPhone v2.0 and iPod touch v2.0 at http://support.apple.com/kb/HT2351.
- APPLE-SA-2008-04-16, APPLE-SA-2008-04-16 Safari 3.1.1 at http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html.
- ZDI-08-022, Apple Safari WebKit PCRE Handling Integer Overflow Vulnerability at http://www.zerodayinitiative.com/advisories/ZDI-08-022/.
- BID-28815: Apple Safari WebKit JavaScript Regular Expression Repetition Counts Buffer Overflow Vulnerability
- BID-30186: Apple iPhone and iPod Touch Prior to Version 2.0 Multiple Remote Vulnerabilities
- CVE-2008-1026: 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.
- FrSIRT/ADV-2008-1250: Apple Safari Code Execution and Cross Site Scripting Vulnerabilities
- FrSIRT/ADV-2008-2094: Apple iPhone and iPod touch Multiple Code Execution Vulnerabilities
- SA29846: Safari Multiple Vulnerabilities
- SA31074: Apple iPhone / iPod touch Multiple Vulnerabilities
- SECTRACK ID: 1019870: Safari WebKit Bug in Processing JavaScript Regular Expressions Lets Remote Users Execute Arbitrary Code
Reported:
Apr 16, 2008
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