PT-2021-13371 · Google · Android

Published 2021-12-01 · Updated 2021-12-20 · CVE-2021-0956

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-12

Description In the NfcTag::discoverTechnologies function of NfcTag.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional system execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-11 through Android-12, update to a version that includes the fix for the issue in NfcTag::discoverTechnologies to prevent remote escalation of privilege. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-189942532

CVE-2021-0956

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0956 · Security Note
• https://osv.dev/vulnerability/ASB-A-189942532 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0956 · Vendor Advisory
• https://t.me/cibsecurity/34099 · Telegram Post
• https://t.me/cvenotify/24645 · Telegram Post