Debian Security Advisory DSA 1511-1 (libicu)

Published: 2008-03-11 20:16:32
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C

Recommendations:
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201511-1

Technical Details:
Several local vulnerabilities have been discovered in libicu, International Components for Unicode, The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-4770 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. 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. For the stable distribution (etch), these problems have been fixed in version 3.6-2etch1. For the unstable distribution (sid), these problems have been fixed in version 3.8-6. We recommend that you upgrade your libicu Linux Distribution Package.

Summary:
The remote host is missing an update to libicu announced via advisory DSA 1511-1.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2007-4770
https://nvd.nist.gov/vuln/detail/CVE-2007-4771

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Severity
High
CVSS Score
9.3

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