PT-2021-6488 · Libheif+1 · Libheif+1

Strongcourage · Published 2019-11-14 · Updated 2021-07-30 · CVE-2020-19498

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libheif version 1.4.0

Description The issue is related to a floating point exception in the Fraction function of the libheif library, which can lead to a Denial of Service or other unspecified impacts. It is also associated with errors in resource release, potentially allowing a remote attacker to access confidential data, compromise its integrity, and cause a service disruption.

Recommendations For libheif version 1.4.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

ALT-PU-2019-3135

ALT-PU-2020-1404

BDU:2022-01738

CVE-2020-19498

Affected Products

Alt Linux

Libheif

References · 7

• 🔥 https://github.com/strukturag/libheif/issues/139 · Exploit
• https://github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58 · Patch
• https://bdu.fstec.ru/vul/2022-01738 · Security Note
• https://osv.dev/vulnerability/CVE-2020-19498 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19498 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-19498 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-19498 · Vendor Advisory