SB2013112104 - Input validation error in FreeBSD
Published: November 21, 2013 Updated: August 10, 2020
Security Bulletin ID
SB2013112104
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2013-6833)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The qls_eioctl function in sys/dev/qlxge/qls_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.
Remediation
Install update from vendor's website.