|
PCRE Regex Parsing Multiple Vulnerabilities
|
|
Secunia Advisory:
|
SA27582
|
|
|
Release Date:
|
2007-11-08
|
|
Last Update:
|
2007-12-05
|
|
Popularity:
|
5,376 views
|
|
|
Critical:
|
Moderately critical
|
|
Impact:
|
DoS
System access
|
|
Where:
|
From remote
|
|
Solution Status:
|
Vendor Patch
|
|
| Software: | PCRE 6.x
|
|
|
Binary Analysis:
|
BA282 :: Available for 1 Credit 
|
|
|
Subscribe:
|
Instant alerts on relevant vulnerabilities
|
|
| CVE reference: | CVE-2005-4872
CVE-2006-7224
CVE-2006-7225
CVE-2006-7226
CVE-2006-7227
CVE-2006-7228
CVE-2006-7230
|
|
Description:
Some vulnerabilities have been reported in PCRE, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise an application using the library.
1) Integer overflow errors when parsing regular expressions can be exploited to e.g. cause a crash or a buffer overflow via specially crafted regular expressions.
2) Errors in the processing of regular expressions and memory calculation errors can be exploited to cause memory corruption.
Solution:
The vulnerabilities are reportedly fixed in version 6.7.
Provided and/or discovered by:
1) Chris Evans
2) Reported by the vendor.
Changelog:
2007-11-12: Added CVE reference.
2007-11-15: Added CVE reference.
2007-11-20: Added CVE reference.
2007-11-26: Added CVE reference.
2007-12-05: Updated "Description". Added CVE references.
Original Advisory:
http://www.pcre.org/changelog.txt
http://scary.beasts.org/security/CESA-2007-006.html
|
|
|
Track this Secunia Advisory
|
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.
Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.
|
|
|
About this Secunia Advisory
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
