PT-2021-20896 · Tsmuxer · Tsmuxer

Jcdr428 · Published 2021-12-03 · Updated 2021-12-07 · CVE-2021-35346

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: tsMuxer version 2.6.16

Description: A heap-based buffer overflow was discovered in tsMuxer via the function HevcSpsUnit::short term ref pic set(int) in hevc.cpp. This issue can be exploited, but no details are provided about the estimated number of potentially affected devices or real-world incidents.

Recommendations: For tsMuxer version 2.6.16, consider disabling the HevcSpsUnit::short term ref pic set(int) function as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-35346

Affected Products

Tsmuxer

References · 7

• 🔥 https://github.com/justdan96/tsMuxer/issues/436 · Exploit
• https://github.com/justdan96/tsMuxer/pull/422/files · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-35346 · Security Note
• https://osv.dev/vulnerability/CVE-2021-35346 · Vendor Advisory
• https://t.me/cvenotify/24228 · Telegram Post
• https://t.me/cibsecurity/33338 · Telegram Post
• https://t.me/cvenotify/24306 · Telegram Post