CVE-2022-30426
There is a stack buffer overflow vulnerability, which could lead to arbitrary code execution in UEFI DXE driver on some Acer products.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.36% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- 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 · acer/aspire tc-105 firmware · acer/aspire tc-120 firmware · acer/aspire u5-620 firmware · acer/aspire x1935 firmware · acer/aspire x3475 firmware · acer/aspire x3995 firmware · acer/aspire xc100 firmware · acer/aspire xc600 firmware · acer/aspire z3-615 firmware · acer/veriton b630 49 firmware · acer/veriton e430g firmware · acer/veriton e430 firmware · acer/veriton m2110g firmware · acer/veriton m2120g firmware · +14 more
- Source
- cve@mitre.org
References
- https://github.com/10TG/vulnerabilities/blob/main/Acer/CVE-2022-30426/CVE-2022-30426.mdExploit, Third Party Advisory
- https://github.com/10TG/vulnerabilities/blob/main/Acer/CVE-2022-30426/CVE-2022-30426.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.