SB2022090673 - Multiple vulnerabilities in Tinyexr

Description

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2022-34300)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to heap-based buffer over-read in tinyexr::DecodePixelData. A remote attacker can perform a denial of service attack.

2) Out-of-bounds write (CVE-ID: CVE-2022-38529)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/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 within the rleUncompress component. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://github.com/syoyo/tinyexr/issues/167
• https://github.com/syoyo/tinyexr/issues/169