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Last updated: 5/29/2016 5:39:52 AM

CVE Publication rate: 20.13

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Vulnerability Workload Index: 12.46
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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4768

Original release date: 11/07/2007
Last revised: 08/27/2013


Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

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External Source: DEBIAN
Name: DSA-1399
External Source: SUNALERT
Name: 239286
External Source: CONFIRM
Name: http://www.adobe.com/support/security/bulletins/apsb08-13.html
External Source: REDHAT
Name: RHSA-2007:1126
External Source: GENTOO
Name: GLSA-200711-30
External Source: BUGTRAQ
Name: 20071112 FLEA-2007-0064-1 pcre
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1738
External Source: CONFIRM
Name: http://www.adobe.com/support/security/bulletins/apsb07-20.html
External Source: VUPEN
Name: ADV-2007-3725
External Source: VUPEN
Name: ADV-2007-4258
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
External Source: VUPEN
Name: ADV-2008-1966
External Source: FEDORA
Name: FEDORA-2008-1842
External Source: VUPEN
Name: ADV-2007-4238
External Source: UBUNTU
Name: USN-547-1
External Source: XF
Name: pcre-class-unicode-bo(38278)
External Source: GENTOO
Name: GLSA-200805-11
External Source: VUPEN
Name: ADV-2008-0924
External Source: GENTOO
Name: GLSA-200801-07
External Source: DEBIAN
Name: DSA-1570
External Source: VUPEN
Name: ADV-2007-3790
External Source: SUSE
Name: SUSE-SA:2007:069
External Source: MLIST
Name: [gtk-devel-list] 20071107 GLib 2.14.3
External Source: GENTOO
Name: GLSA-200801-19
External Source: BUGTRAQ
Name: 20071106 rPSA-2007-0231-1 pcre
External Source: BID
Name: 26346
US-CERT Vulnerability Note: CERT
Name: TA07-355A
External Source: APPLE
Name: APPLE-SA-2007-12-17
External Source: MISC
Name: http://bugs.gentoo.org/show_bug.cgi?id=198976
External Source: SUNALERT
Name: 238305
US-CERT Vulnerability Note: CERT
Name: TA07-352A
External Source: APPLE
Name: APPLE-SA-2008-03-18
External Source: SECTRACK
Name: 1019116
External Source: GENTOO
Name: GLSA-200801-02
External Source: GENTOO
Name: GLSA-200801-18
External Source: VUPEN
Name: ADV-2008-1724
External Source: MANDRIVA
Name: MDKSA-2007:211
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307179
External Source: OVAL
Name: oval:org.mitre.oval:def:9701

References to Check Content

Identifier: oval:org.mitre.oval:def:9701
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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)