PT-2021-6506 · Tinyexr · Tinyexr

Chijinz · Published 2021-07-26 · Updated 2021-08-03 · CVE-2020-18428

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions tinyexr version 0.9.5

Description The issue is related to an array index error in the tinyexr::SaveEXR component of the OpenEXR Tinyexr library for image processing. This error can be exploited by a remote attacker to cause a denial of service (DOS).

Recommendations For version 0.9.5, consider disabling the tinyexr::SaveEXR component until a patch is available to prevent potential denial of service attacks.

Exploit

Fix

Improper Validation of Array Index

Weakness Enumeration

CWE-129

Related Identifiers

BDU:2022-01764

CVE-2020-18428

Affected Products

Tinyexr

References · 12

• 🔥 https://github.com/syoyo/tinyexr/issues/109 · Exploit
• 🔥 https://github.com/ChijinZ/security_advisories/tree/master/tinyexr_65f9859 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-18428 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-18428 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-18428 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-18428 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-18428 · Security Note
• https://osv.dev/vulnerability/CVE-2020-18428 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01764 · Security Note
• https://github.com/syoyo/tinyexr/commit/6c3b01ff9223036fb1c7a6f1cc2d3a63cc1e7c1d · Note
• https://t.me/cvenotify/18183 · Telegram Post
• https://t.me/cibsecurity/26535 · Telegram Post