Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : icu vulnerabilities (USN-591-1)
High Nessus Plugin ID 31678
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionWill 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).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected packages.