SB2023052925 - Ubuntu update for sudo
Published: May 29, 2023
Security Bulletin ID
SB2023052925
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) OS Command Injection (CVE-ID: CVE-2023-28486)
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing control characters in the log messages. A local user can inject specially crafted characters to the log messages and execute arbtirary OS commands on the system when the command is executed from the log (e.g. via the "sudoreplay -l").
2) OS Command Injection (CVE-ID: CVE-2023-28487)
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing control characters in the sudoreplay output. A local user can inject specially crafted characters to the log messages and execute arbitrary OS commands on the system.Remediation
Install update from vendor's website.