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Last updated: 5/24/2016 7:39:42 AM

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Vulnerability Summary for CVE-2007-4770

Original release date: 01/28/2008
Last revised: 03/07/2011


libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.


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 unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FEDORA
Name: FEDORA-2008-1076
External Source: BID
Name: 27455
Type: Patch Information
External Source: DEBIAN
Name: DSA-1511
External Source: MANDRIVA
Name: MDVSA-2008:026
External Source: SUSE
Name: SUSE-SA:2008:023
External Source: VUPEN
Name: ADV-2008-0807
External Source: VUPEN
Name: ADV-2008-1375
External Source: GENTOO
Name: GLSA-200803-20
External Source: VUPEN
Name: ADV-2008-0282
External Source: UBUNTU
Name: USN-591-1
External Source: SUNALERT
Name: 233922
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0043
External Source: REDHAT
Name: RHSA-2008:0090
External Source: GENTOO
Name: GLSA-200805-16
External Source: OVAL
Name: oval:org.mitre.oval:def:11172
External Source: CONFIRM
Name: http://www.openoffice.org/security/cves/CVE-2007-5745.html
External Source: MLIST
Name: [icu-support] 20080122 ICU Patch for bugs in Regular Expressions
Type: Patch Information
External Source: SECTRACK
Name: 1019269
External Source: SUSE
Name: SUSE-SR:2008:005
External Source: XF
Name: libicu-restackframes-dos(39938)
External Source: SUNALERT
Name: 231641
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-2199
External Source: BUGTRAQ
Name: 20080206 rPSA-2008-0043-1 icu
External Source: FEDORA
Name: FEDORA-2008-1036
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=429023
External Source: CONFIRM
Name: http://www.openoffice.org/security/cves/CVE-2007-4770.html
US-CERT Vulnerability Note: OVAL
Name: oval:org.mitre.oval:def:5507
Type: Tool Signature

References to Check Content

Identifier: oval:org.mitre.oval:def:11172
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:5507
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)