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Last updated: 5/24/2016 3:39:38 AM

CVE Publication rate: 19

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Vulnerability Workload Index: 11.53
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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1661

Original release date: 11/07/2007
Last revised: 08/19/2013


Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the "\X?\d" and "\P{L}?\d" patterns.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.4 MEDIUM
Impact Subscore: 4.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows disruption of service

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External Source: VUPEN
Name: ADV-2007-3790
External Source: GENTOO
Name: GLSA-200711-30
External Source: GENTOO
Name: GLSA-200801-02
External Source: MISC
Name: http://bugs.gentoo.org/show_bug.cgi?id=198976
External Source: DEBIAN
Name: DSA-1399
Type: Patch Information
External Source: MLIST
Name: [gtk-devel-list] 20071107 GLib 2.14.3
External Source: APPLE
Name: APPLE-SA-2008-03-18
External Source: UBUNTU
Name: USN-547-1
US-CERT Vulnerability Note: CERT
Name: TA07-352A
External Source: XF
Name: pcre-nonutf8-dos(38274)
External Source: GENTOO
Name: GLSA-200801-18
External Source: VUPEN
Name: ADV-2007-3725
External Source: FEDORA
Name: FEDORA-2008-1842
External Source: APPLE
Name: APPLE-SA-2007-12-17
External Source: BUGTRAQ
Name: 20071112 FLEA-2007-0064-1 pcre
External Source: BUGTRAQ
Name: 20071106 rPSA-2007-0231-1 pcre
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1738
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307179
External Source: DEBIAN
Name: DSA-1570
External Source: MANDRIVA
Name: MDKSA-2007:211
External Source: VUPEN
Name: ADV-2007-4238
External Source: VUPEN
Name: ADV-2008-0924
External Source: BID
Name: 26346
External Source: CONFIRM
Name: http://www.pcre.org/changelog.txt
External Source: SUSE
Name: SUSE-SA:2007:062
External Source: GENTOO
Name: GLSA-200805-11
External Source: GENTOO
Name: GLSA-200801-19

Technical Details

Vulnerability Type (View All)