CVE-2023-21243 — Classic Buffer Overflow in Frameworks Base

CWE-120 — Classic Buffer Overflow5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Platform Frameworks BasePlatform Frameworks OPT NET WifiPlatform Packages Modules Wifi+1 more
Timeline
PublishedJul 13

Description

In validateForCommonR1andR2 of PasspointConfiguration.java, there is a possible way to inflate the size of a config file with no limits due to a buffer overflow. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶Androidplatform/frameworks_base11:0 — 11:2023-07-01
▶Androidplatform/packages_modules_wifi13-next:0 — 13-next:2023-07-01+3
▶Androidplatform/frameworks_opt_net_wifi11:0 — 11:2023-07-01
▶CVEListV5google/android4 versions+3
▶NVDgoogle/android4 versions+3

Patches

Patch: android.googlesource.com ↗Patch: source.android.com ↗Patch: android.googlesource.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-5vx9-r389-x79h: In validateForCommonR1andR2 of PasspointConfiguration↗2023-07-13
▶
CVEList
CVE-2023-21243: In validateForCommonR1andR2 of PasspointConfiguration↗2023-07-12
▶
OSV
CVE-2023-21243: In validateForCommonR1andR2 of PasspointConfiguration↗2023-07-01
▶

📋Vendor Advisories

1
Android
CVE-2023-21243: Android Security Bulletin 2023-07-01 CVE: CVE-2023-21243 Severity: HIGH Type: DoS Affected AOSP versions: 11, 12, 12L, 13 References: A-274445194↗2023-07-01
▶
CVE-2023-21243 — Classic Buffer Overflow | cvebase