CVE-2022-30426 Memory corruption in n/a
A stack buffer overflow in Acer UEFI DXE drivers allows attackers to execute arbitrary code and escalate privileges from ring 3 to ring 0.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-30426?
CVE-2022-30426 is a high-severity memory corruption vulnerability in n/a, published on 22 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
There is a stack buffer overflow vulnerability, which could lead to arbitrary code execution in UEFI DXE driver on some Acer products. An attack could exploit this vulnerability to escalate privilege from ring 3 to ring 0, and hijack control flow during UEFI DXE execution. This affects Altos T110 F3 firmware version <= P13 (latest) and AP130 F2 firmware version <= P04 (latest) and Aspire 1600X firmware version <= P11.A3L (latest) and Aspire 1602M firmware version <= P11.A3L (latest) and Aspire 7600U firmware version <= P11.A4 (latest) and Aspire MC605 firmware version <= P11.A4L (latest) and Aspire TC-105 firmware version <= P12.B0L (latest) and Aspire TC-120 firmware version <= P11-A4 (latest) and Aspire U5-620 firmware version <= P11.A1 (latest) and Aspire X1935 firmware version <= P11.A3L (latest) and Aspire X3475 firmware version <= P11.A3L (latest) and Aspire X3995 firmware version <= P11.A3L (latest) and Aspire XC100 firmware version <= P11.B3 (latest) and Aspire XC600 firmware version <= P11.A4 (latest) and Aspire Z3-615 firmware version <= P11.A2L (latest) and Veriton E430G firmware version <= P21.A1 (latest) and Veriton B630_49 firmware version <= AAP02SR (latest) and Veriton E430 firmware version <= P11.A4 (latest) and Veriton M2110G firmware version <= P21.A3 (latest) and Veriton M2120G fir.
Weakness: CWE-787
Which versions are affected by CVE-2022-30426?
It affects 34 products.
Products include Acer Altos T110 F3 Firmware, Acer Ap130 F2 Firmware, Acer Aspire 1600x Firmware, Acer Aspire 1602m Firmware, Acer Aspire 7600u Firmware, Acer Aspire Mc605 Firmware and 28 more.
How do I fix CVE-2022-30426?
No fix has been published for CVE-2022-30426 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-30426 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-30426 exists.
Sources
Also known as GHSA-gj8c-59qc-mfr6.