SB2021070803 - Gentoo update for blktrace
Published: July 8, 2021
Security Bulletin ID
SB2021070803
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-10689)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the dev_map_read() function in btt/devmap.c in blktrace. A local user can create a specially crafted file, pass it to he application that is using the vulnerable component (e.g. btt program), trigger memory corruption and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.