PT-2019-6199 · Struktur Ag+4 · Libde265+4

Leonzhao7 · Published 2019-12-24 · Updated 2024-01-30 · CVE-2020-21596

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 libde265 version 1.0.4

Description The issue is related to a global buffer overflow in the decode CABAC bit function. This can be exploited via a crafted file, potentially allowing a remote attacker to cause a denial of service. The vulnerability is associated with the copying of a buffer without checking the input data.

Recommendations For libde265 version 1.0.4, consider disabling the decode CABAC bit function as a temporary workaround until a patch is available. Restrict access to files that could potentially exploit this issue to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ALT-PU-2020-1410

BDU:2022-02082

CVE-2020-21596

DLA-3280-1

DSA-5346-1

MGASA-2023-0093

USN-6617-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Ubuntu

Libde265

References · 42

• 🔥 https://github.com/strukturag/libde265/issues/236 · Exploit
• https://osv.dev/vulnerability/CVE-2020-21596 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02082 · 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-2020-21596 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3280-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-21599 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21596 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-21596 · Vendor Advisory
• https://debian.org/lts/security/2023/dla-3280 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0316SE47MD · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-21597 · Vendor Advisory