| Description: | Summary:
The remote host is missing an update for the Debian 'icu' package(s) announced via the DSA-1511-1 advisory.
Vulnerability Insight:
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 package.
Affected Software/OS:
'icu' package(s) on Debian 4.
Solution:
Please install the updated package(s).
CVSS Score:
9.3
CVSS Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
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