PT-2021-6709 · Libheif+1 · Libheif+1

Strongcourage · Published 2019-11-14 · Updated 2021-07-30 · CVE-2020-19499

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 an invalid memory read in the heif::Box iref::get references function, which can cause a Denial of Service or potentially other unspecified impact. It is also associated with a buffer data boundary read, allowing a remote attacker to access confidential data, compromise its integrity, and cause a denial of service.

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

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2019-3135

ALT-PU-2020-1404

BDU:2022-02069

CVE-2020-19499

Affected Products

Alt Linux

Libheif

References · 7

• 🔥 https://github.com/strukturag/libheif/issues/138 · Exploit
• https://github.com/strukturag/libheif/commit/f7399b62d7fbc596f1b2871578c1d2053bedf1dd · Patch
• https://osv.dev/vulnerability/CVE-2020-19499 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-19499 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2020-19499 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02069 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-19499 · Vendor Advisory