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Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2562-1)
critical Nessus Plugin ID 82661
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
Sun Baoliang discovered a use after free flaw in the Linux kernel's SCTP (Stream Control Transmission Protocol) subsystem during INIT collisions. A remote attacker could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges on the system. (CVE-2015-1421)Marcelo Leitner discovered a flaw in the Linux kernel's routing of packets to too many different dsts/too fast. A remote attacker can exploit this flaw to cause a denial of service (system crash).
(CVE-2015-1465)
An integer overflow was discovered in the stack randomization feature of the Linux kernel on 64 bit platforms. A local attacker could exploit this flaw to bypass the Address Space Layout Randomization (ASLR) protection mechanism. (CVE-2015-1593)
An information leak was discovered in the Linux Kernel's handling of userspace configuration of the link layer control (LLC). A local user could exploit this flaw to read data from other sysctl settings.
(CVE-2015-2041)
An information leak was discovered in how the Linux kernel handles setting the Reliable Datagram Sockets (RDS) settings. A local user could exploit this flaw to read data from other sysctl settings.
(CVE-2015-2042).
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 linux-image-3.13-generic and / or linux-image-3.13-generic-lpae packages.See Also
Plugin Details
Severity: Critical
ID: 82661
File Name: ubuntu_USN-2562-1.nasl
Version: 1.13
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 4/9/2015
Updated: 1/19/2021
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: 5.9
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic-lpae, cpe:/o:canonical:ubuntu_linux:12.04:-:lts
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 4/8/2015
Vulnerability Publication Date: 3/16/2015
Reference Information
CVE: CVE-2015-1421, CVE-2015-1465, CVE-2015-1593, CVE-2015-2041, CVE-2015-2042
USN: 2562-1