SB2021062901 - Remote code execution in PowerISO
Published: June 29, 2021
Security Bulletin ID
SB2021062901
CSH Severity
High
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-21871)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the DMG File Format Handler functionality. A remote attacker can create a specially crafted DMG file, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.