Ubuntu 6.06 LTS / 7.04 / 7.10 / 8.04 LTS : ruby1.8 vulnerabilities (USN-621-1)

Ubuntu Security Notice (C) 2008-2013 Canonical, Inc. / NASL script (C) 2008-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

Drew Yao discovered several vulnerabilities in Ruby which lead to
integer overflows. If a user or automated system were tricked into
running a malicious script, an attacker could cause a denial of
service or execute arbitrary code with the privileges of the user
invoking the program. (CVE-2008-2662, CVE-2008-2663, CVE-2008-2725,
CVE-2008-2726)

Drew Yao discovered that Ruby did not sanitize its input when using
ALLOCA. If a user or automated system were tricked into running a
malicious script, an attacker could cause a denial of service via
memory corruption. (CVE-2008-2664).

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 33390 ()

Bugtraq ID:

CVE ID: CVE-2008-2662
CVE-2008-2663
CVE-2008-2664
CVE-2008-2725
CVE-2008-2726