PT-2022-10935 · Google · Android

Published 2022-01-01 · Updated 2022-07-12 · CVE-2021-39627

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-9 through Android-12

Description The issue is related to a possible permissions bypass due to an unsafe PendingIntent in the sendLegacyVoicemailNotification function of LegacyModeSmsHandler.java. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-9 through Android-12, update to a version that includes the fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

ASB-A-185126549

CVE-2021-39627

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2022-01-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39627 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39627 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-185126549 · Vendor Advisory
• https://android.googlesource.com/platform/packages/apps/Dialer/+/9c452d9f25d8fb41fd3ec627293a2481fde778d4 · Note
• https://t.me/cibsecurity/35613 · Telegram Post