Detections
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Ubuntu 11.04 : linux vulnerabilities (USN-1193-1)
high Nessus Plugin ID 55923
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
Timo Warns discovered that the GUID partition parsing routines did not correctly validate certain structures. A local attacker with physical access could plug in a specially crafted block device to crash the system, leading to a denial of service. (CVE-2011-1577)Phil Oester discovered that the network bonding system did not correctly handle large queues. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. (CVE-2011-1581)
Ben Hutchings reported a flaw in the kernel's handling of corrupt LDM partitions. A local user could exploit this to cause a denial of service or escalate privileges. (CVE-2011-2182)
Vasiliy Kulikov discovered that taskstats listeners were not correctly handled. A local attacker could exploit this to exhaust memory and CPU resources, leading to a denial of service. (CVE-2011-2484)
Sami Liedes discovered that ext4 did not correctly handle missing root inodes. A local attacker could trigger the mount of a specially crafted filesystem to cause the system to crash, leading to a denial of service. (CVE-2011-2493)
A flaw was discovered in the Linux kernel's AppArmor security interface when invalid information was written to it. An unprivileged local user could use this to cause a denial of service on the system.
(CVE-2011-3619)
Scot Doyle discovered that the bridge networking interface incorrectly handled certain network packets. A remote attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-4087)
A bug was found in the way headroom check was performed in udp6_ufo_fragment() function. A remote attacker could use this flaw to crash the system. (CVE-2011-4326).
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 packages.See Also
Plugin Details
Severity: High
ID: 55923
File Name: ubuntu_USN-1193-1.nasl
Version: 1.11
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 8/20/2011
Updated: 9/19/2019
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-server, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-versatile, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic-pae, cpe:/o:canonical:ubuntu_linux:11.04, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-virtual
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 8/19/2011
Vulnerability Publication Date: 5/3/2011
Reference Information
CVE: CVE-2011-1577, CVE-2011-1581, CVE-2011-2182, CVE-2011-2484, CVE-2011-2493, CVE-2011-3619, CVE-2011-4087, CVE-2011-4326
USN: 1193-1