Ubuntu 6.06 LTS / 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : perl vulnerabilities (USN-1129-1)
High Nessus Plugin ID 55090
Synopsis
The remote Ubuntu host is missing a security-related patch.
Description
It was discovered that the Safe.pm Perl module incorrectly handled Safe::reval and Safe::rdo access restrictions. An attacker could use this flaw to bypass intended restrictions and possibly execute arbitrary code. (CVE-2010-1168, CVE-2010-1447)
It was discovered that the CGI.pm Perl module incorrectly handled certain MIME boundary strings. An attacker could use this flaw to inject arbitrary HTTP headers and perform HTTP response splitting and cross-site scripting attacks. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 10.04 LTS and 10.10. (CVE-2010-2761, CVE-2010-4411)
It was discovered that the CGI.pm Perl module incorrectly handled newline characters. An attacker could use this flaw to inject arbitrary HTTP headers and perform HTTP response splitting and cross-site scripting attacks. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 10.04 LTS and 10.10. (CVE-2010-4410)
It was discovered that the lc, lcfirst, uc, and ucfirst functions did not properly apply the taint attribute when processing tainted input.
An attacker could use this flaw to bypass intended restrictions. This issue only affected Ubuntu 8.04 LTS, 10.04 LTS and 10.10.
(CVE-2011-1487).
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.
Solution
Update the affected perl package.