CVE-2022-32656 Privilege escalation in MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7663, MT7668, MT7682, MT7686, MT7687, MT7697, MT7902, MT7915, MT7916, MT7921, MT7933, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8695, MT8696, MT8788
Local attackers with system privileges can exploit incorrect error handling in MediaTek Wi-Fi drivers to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-32656?
CVE-2022-32656 is a medium-severity vulnerability in MediaTek, Inc. MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7663, MT7668, MT7682, MT7686, MT7687, MT7697, MT7902, MT7915, MT7916, MT7921, MT7933, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8695, MT8696, MT8788, published on 6 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Wi-Fi driver, there is a possible undefined behavior due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220705035; Issue ID: GN20220705035.
Which versions are affected by CVE-2022-32656?
It affects 30 products.
Products include Mediatek Mt5221 Firmware, Mediatek Mt7603 Firmware, Mediatek Mt7613 Firmware, Mediatek Mt7615 Firmware, Mediatek Mt7622 Firmware, Mediatek Mt7628 Firmware and 24 more.
How do I fix CVE-2022-32656?
No fix has been published for CVE-2022-32656 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-32656 being exploited?
There is no known exploitation of CVE-2022-32656 in the wild and no public exploit code.
Other vulnerabilities in MediaTek, Inc. MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7663, MT7668, MT7682, MT7686, MT7687, MT7697, MT7902, MT7915, MT7916, MT7921, MT7933, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8695, MT8696, MT8788
- CVE-2022-32663 Null dereference in MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7668, MT7902, MT7915, MT7916, MT7921, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8788
- CVE-2022-32654 Privilege escalation in MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7663, MT7668, MT7682, MT7686, MT7687, MT7697, MT7902, MT7915, MT7916, MT7921, MT7933, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8695, MT8696, MT8788
- CVE-2022-32655 Privilege escalation in MT5221, MT7603, MT7613, MT7615, MT7622, MT7628, MT7629, MT7663, MT7668, MT7682, MT7686, MT7687, MT7697, MT7902, MT7915, MT7916, MT7921, MT7933, MT7981, MT7986, MT8167S, MT8175, MT8362A, MT8365, MT8385, MT8518S, MT8532, MT8695, MT8696, MT8788
Sources
Also known as GHSA-6646-357c-xmmh.