Detections
Analytics
Ubuntu 6.06 LTS / 7.04 / 7.10 / 8.04 LTS : rdesktop vulnerabilities (USN-646-1)
high Nessus Plugin ID 38000
Synopsis
The remote Ubuntu host is missing a security-related patch.Description
It was discovered that rdesktop did not properly validate the length of packet headers when processing RDP requests. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user. (CVE-2008-1801)Multiple buffer overflows were discovered in rdesktop when processing RDP redirect requests. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user.
(CVE-2008-1802)
It was discovered that rdesktop performed a signed integer comparison when reallocating dynamic buffers which could result in a heap-based overflow. If a user were tricked into connecting to a malicious server, an attacker could cause a denial of service or possible execute arbitrary code with the privileges of the user.
(CVE-2008-1802).
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 rdesktop package.See Also
Plugin Details
Severity: High
ID: 38000
File Name: ubuntu_USN-646-1.nasl
Version: 1.14
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 4/23/2009
Updated: 1/19/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:7.04, cpe:/o:canonical:ubuntu_linux:7.10, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, p-cpe:/a:canonical:ubuntu_linux:rdesktop, cpe:/o:canonical:ubuntu_linux:8.04:-:lts
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Patch Publication Date: 9/18/2008