PT-2023-18029 · Google · Android

Published 2023-07-01 · Updated 2023-07-25 · CVE-2023-21243

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description The issue is related to a buffer overflow in the validateForCommonR1andR2 function of PasspointConfiguration.java. This could lead to local denial of service with no additional execution privileges needed. User interaction is required for exploitation.

Recommendations For Android versions prior to the fixed version, as a temporary workaround, consider restricting user interaction with the PasspointConfiguration until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

ASB-A-274445194

CVE-2023-21243

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2023-07-01 · Vendor Advisory
• https://android.googlesource.com/platform/packages/modules/Wifi/+/5b49b8711efaadadf5052ba85288860c2d7ca7a6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-21243 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21243 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-274445194 · Vendor Advisory
• https://t.me/cvenotify/54227 · Telegram Post