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Last updated: 1/27/2015 3:26:36 AM

CVE Publication rate: 22.97

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4767

Original release date: 11/07/2007
Last revised: 03/07/2011


Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: VUPEN
Name: ADV-2007-3790
External Source: VUPEN
Name: ADV-2007-4238
External Source: BUGTRAQ
Name: 20071112 FLEA-2007-0064-1 pcre
External Source: GENTOO
Name: GLSA-200805-11
External Source: SECUNIA
Name: 27543
External Source: SECUNIA
Name: 28136
External Source: MISC
Name: http://bugs.gentoo.org/show_bug.cgi?id=198976
External Source: SUSE
Name: SUSE-SA:2007:062
External Source: APPLE
Name: APPLE-SA-2007-12-17
External Source: MLIST
Name: [gtk-devel-list] 20071107 GLib 2.14.3
External Source: GENTOO
Name: GLSA-200711-30
External Source: SECUNIA
Name: 29420
External Source: SECUNIA
Name: 28720
External Source: SECUNIA
Name: 27554
External Source: CONFIRM
Name: http://www.pcre.org/changelog.txt
External Source: SECUNIA
Name: 27697
External Source: MANDRIVA
Name: MDKSA-2007:211
External Source: SECUNIA
Name: 30155
External Source: VUPEN
Name: ADV-2008-0924
External Source: SECUNIA
Name: 30106
External Source: FEDORA
Name: FEDORA-2008-1842
External Source: GENTOO
Name: GLSA-200801-19
External Source: BUGTRAQ
Name: 20071106 rPSA-2007-0231-1 pcre
External Source: VUPEN
Name: ADV-2007-3725
External Source: SECUNIA
Name: 27773
External Source: XF
Name: pcre-p-sequence-bo(38277)
External Source: SECUNIA
Name: 29267
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1738
External Source: APPLE
Name: APPLE-SA-2008-03-18
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307179
External Source: GENTOO
Name: GLSA-200801-18
External Source: SECUNIA
Name: 30219
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
External Source: SECUNIA
Name: 27741
External Source: BID
Name: 26346
External Source: DEBIAN
Name: DSA-1570
US-CERT Vulnerability Note: CERT
Name: TA07-352A
External Source: GENTOO
Name: GLSA-200801-02
External Source: SECUNIA
Name: 27538
External Source: SECUNIA
Name: 28406
External Source: DEBIAN
Name: DSA-1399
External Source: UBUNTU
Name: USN-547-1
External Source: SECUNIA
Name: 28414
External Source: SECUNIA
Name: 28714

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:pcre:pcre:6.0 and previous versions
* cpe:/a:pcre:pcre:6.1 and previous versions
* cpe:/a:pcre:pcre:7.3 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)