CVE-2022-20516 — Integer Underflow (Wrap or Wraparound) in Google Android

CWE-191 — Integer Underflow (Wrap or Wraparound)CWE-190 — Integer Overflow or Wraparound4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 50.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System NFCGoogle Android
Timeline
PublishedDec 16
Latest updateDec 20

Description

In rw_t3t_act_handle_check_ndef_rsp of rw_t3t.cc, there is a possible out of bounds read due to an integer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-224002331

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5google/androidAndroid-13
▶NVDgoogle/android13.0
▶Androidplatform/system_nfc13:0 — 13:2022-12-01

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-6973-4pp3-gvj6: In rw_t3t_act_handle_check_ndef_rsp of rw_t3t↗2022-12-20
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CVEList
CVE-2022-20516: In rw_t3t_act_handle_check_ndef_rsp of rw_t3t↗2022-12-16
▶
OSV
CVE-2022-20516: In rw_t3t_act_handle_check_ndef_rsp of rw_t3t↗2022-12-01
▶
CVE-2022-20516 — Integer Underflow (Wrap or Wraparound) | cvebase