PT-2021-19693 · Heif · Heif

Published 2021-09-20 · Updated 2021-10-02 · CVE-2021-32289

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: heif versions through v3.6.2

Description: An issue exists in the function convertByteStreamToRBSP() located in nalutil.cpp, allowing an attacker to cause Denial of Service due to a NULL pointer dereference.

Recommendations: For versions through v3.6.2, consider disabling the convertByteStreamToRBSP() function until a patch is available to prevent Denial of Service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-32289

Affected Products

Heif

References · 5

• 🔥 https://github.com/nokiatech/heif/issues/85 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-32289 · Security Note
• https://osv.dev/vulnerability/CVE-2021-32289 · Vendor Advisory
• https://t.me/cvenotify/21802 · Telegram Post
• https://t.me/cibsecurity/29149 · Telegram Post