the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
Vulnerability Feeds & WidgetsNew  

Vulnerability Details : CVE-2007-4771

Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack. NOTE: some of these details are obtained from third party information.
Publish Date : 2008-01-28 Last Update Date : 2018-10-15
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access Admin
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2008-01-16 2008-01-22
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2007-4771 unix
DSA-1511 libicu -- various oval:org.mitre.oval:def:8243 unix
DSA-1511-1 icu - multiple problems oval:org.mitre.oval:def:18778 unix
ELSA-2008:0090: icu security update (Important) oval:org.mitre.oval:def:21714 unix
Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode ... oval:org.mitre.oval:def:10507 unix
Multiple Security Vulnerabilities in ICU 3.2 Library Regular Expression Processing May Cause a Denial of Service (DoS) oval:org.mitre.oval:def:5431 unix
RHSA-2008:0090: icu security update (Important) oval:com.redhat.rhsa:def:20080090 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-4771

# Product Type Vendor Product Version Update Edition Language
1 Application Icu-project International Components For Unicode 3.8.1 ~~~c/c++~~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Icu-project International Components For Unicode 1

- References For CVE-2007-4771
XF libicu-dointerval-bo(39936) CONFIRM
VUPEN ADV-2008-0807
BUGTRAQ 20080206 rPSA-2008-0043-1 icu
BID 27455 International Components for Unicode Library (libicu) Multiple Memory Corruption Vulnerabilities Release Date:2008-05-30
VUPEN ADV-2008-0282
SUSE SUSE-SR:2008:005
REDHAT RHSA-2008:0090
MLIST [icu-support] 20080122 ICU Patch for bugs in Regular Expressions
SECTRACK 1019269
GENTOO GLSA-200805-16

- Metasploit Modules Related To CVE-2007-4771

There are not any metasploit modules related to this CVE entry (Please visit for more information)

CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.