SB2003082703 - Security restrictions bypass in Linux kernel
Published: August 27, 2003
Security Bulletin ID
SB2003082703
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2003-0464)
The vulnerability allows a local user to read and manipulate data.
The RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd.
Remediation
Install update from vendor's website.