| Description: | Description:
The remote host is missing an update to icu
announced via advisory USN-591-1.
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10
Details follow:
Will Drewry discovered that libicu did not properly handle '\0' when
processing regular expressions. If an application linked against libicu
processed a crafted regular expression, an attacker could execute
arbitrary code with privileges of the user invoking the program.
(CVE-2007-4770)
Will Drewry discovered that libicu did not properly limit its
backtracking stack size. If an application linked against libicu
processed a crafted regular expression, an attacker could cause a denial
of service via resource exhaustion. (CVE-2007-4771)
Solution:
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 6.06 LTS:
libicu34 3.4.1a-1ubuntu1.6.06.1
Ubuntu 6.10:
libicu34 3.4.1a-1ubuntu1.6.10.1
Ubuntu 7.04:
libicu36 3.6-2ubuntu0.1
Ubuntu 7.10:
libicu36 3.6-3ubuntu0.1
After a standard system upgrade you need to restart applications linked
against libicu, such as OpenOffice.org, to effect the necessary changes.
http://www.securityspace.com/smysecure/catid.html?in=USN-591-1
Risk factor : Critical
CVSS Score:
9.3
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