Medium severity · published Apr 6, 2023
CVE-2023-20659
In wlan, there is a possible out of bounds write due to a missing bounds check
6.7
CVSS
0.1%
EPSS
No
On KEV
Description
In wlan, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07588413; Issue ID: ALPS07588413.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
11.0; 12.0; 13.0 · source: NVD
KE
Kernel · Linux
4.19 · source: NVD
MM
MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798 · MediaTek, Inc.
Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only) · source: vendor
YO
Yocto · Yoctoproject
3.1; 3.3; 4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20659
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20659
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/April-2023
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