PT-2019-6184 · None+4 · Libde265+4

Leonzhao7 · Published 2019-12-24 · Updated 2024-01-30 · CVE-2020-21602

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libde265 version 1.0.4

Description The issue is related to a heap buffer overflow in the put weighted bipred 16 fallback function of the libde265 video codec implementation. This can be exploited by a remote attacker using a specially crafted file, potentially leading to a denial of service. The estimated number of potentially affected devices and details about real-world incidents are not provided.

Recommendations For libde265 version 1.0.4, consider disabling the put weighted bipred 16 fallback function as a temporary workaround until a patch is available. Restrict the use of crafted files that could exploit this issue to minimize the risk of service disruption. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2020-1410

BDU:2022-01699

CVE-2020-21602

DLA-3240-1

DSA-5346-1

MGASA-2023-0093

USN-6617-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Ubuntu

Libde265

References · 44

• 🔥 https://github.com/strukturag/libde265/issues/242 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-21602 · Security Note
• https://ubuntu.com/security/CVE-2021-36408 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-21595 · Vendor Advisory
• https://debian.org/security/2023/dsa-5346 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5346-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2020-21602 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-21602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-21599 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3240-1 · Vendor Advisory
• https://debian.org/lts/security/2023/dla-3280 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-21602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-21597 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0316SE47MD · Vendor Advisory
• https://debian.org/lts/security/2022/dla-3240 · Vendor Advisory