PT-2023-15713 · Google · Widevine Trusted Application

Published 2023-06-26 · Updated 2023-07-03 · CVE-2022-48334

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 Widevine Trusted Application (TA) versions 5.0.0 through 5.1.1

Description The issue is related to an integer overflow and resultant buffer overflow in the drm verify keys function, specifically with the total len+file name len calculation. This can lead to a buffer overflow.

Recommendations For versions 5.0.0 through 5.1.1, consider restricting access to the drm verify keys function until a patch is available. As a temporary workaround, avoid using the total len and file name len variables in the affected function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2022-48334

Affected Products

Widevine Trusted Application

References · 4

• 🔥 https://cyberintel.es/cve/CVE-2022-48334_Buffer_Overflow_in_Widevine_drm_verify_keys_0x7370 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48334 · Security Note
• https://osv.dev/vulnerability/CVE-2022-48334 · Vendor Advisory
• https://t.me/cibsecurity/65525 · Telegram Post