SB2021072243 - Information disclosure in Apple macOS
Published: July 22, 2021
Security Bulletin ID
SB2021072243
CSH Severity
Medium
Patch available
NO
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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-30764)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the ImageIO framework. A remote attacker can create a specially crafted WEBP file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.