SB2015062908 - Ubuntu update for linux-ec2



SB2015062908 - Ubuntu update for linux-ec2

Published: June 29, 2015 Updated: October 30, 2026

Security Bulletin ID SB2015062908
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Critical 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Permissions, privileges, and access controls (CVE-ID: CVE-2012-2313)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to perform service disruption.

The vulnerability exists due to security restrictions bypass error. A local user can perform service disruption.


2) Buffer overflow (CVE-ID: CVE-2012-2319)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow in the driver within HFS plus filesystem. By using a specially crafted Hierarchical File System (HFS) filesystem, a local attacker can trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.