CVE-2022-30426
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.
How to fix
- acer altos_t110_f3_firmwarep13 or later
- acer ap130_f2_firmwarep04 or later
- acer aspire_1600x_firmwarep11.a3l or later
- acer aspire_1602m_firmwarep11.a3l or later
- acer aspire_7600u_firmwarep11.a4 or later
- acer aspire_mc605_firmwarep11.a4l or later
- acer aspire_tc-105_firmwarep12.b0l or later
- acer aspire_tc-120_firmwarep11-a4 or later
- acer aspire_u5-620_firmwarep11.a1 or later
- acer aspire_x1935_firmwarep11.a3l or later
- acer aspire_x3475_firmwarep11.a3l or later
- acer aspire_x3995_firmwarep11.a3l or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| acer altos_t110_f3_firmware | v < p13 | p13 |
| acer ap130_f2_firmware | v < p04 | p04 |
| acer aspire_1600x_firmware | v < p11.a3l | p11.a3l |
| acer aspire_1602m_firmware | v < p11.a3l | p11.a3l |
| acer aspire_7600u_firmware | v < p11.a4 | p11.a4 |
| acer aspire_mc605_firmware | v < p11.a4l | p11.a4l |
| acer aspire_tc-105_firmware | v < p12.b0l | p12.b0l |
| acer aspire_tc-120_firmware | v < p11-a4 | p11-a4 |
| acer aspire_u5-620_firmware | v < p11.a1 | p11.a1 |
| acer aspire_x1935_firmware | v < p11.a3l | p11.a3l |
| acer aspire_x3475_firmware | v < p11.a3l | p11.a3l |
| acer aspire_x3995_firmware | v < p11.a3l | p11.a3l |
| acer aspire_xc100_firmware | v < p11.b3 | p11.b3 |
| acer aspire_xc600_firmware | v < p11.a4 | p11.a4 |
| acer aspire_z3-615_firmware | v < p11.a2l | p11.a2l |
| acer veriton_b630_49_firmware | v < aap02sr | aap02sr |
| acer veriton_e430g_firmware | v < p21.a1 | p21.a1 |
| acer veriton_e430_firmware | v < p11.a4 | p11.a4 |
| acer veriton_m2110g_firmware | v < p21.a3 | p21.a3 |
| acer veriton_m2120g_firmware | v < p11-a3 | p11-a3 |
| acer veriton_m2611g_firmware | v < p11-b0l | p11-b0l |
| acer veriton_m2611_firmware | v < p11.b0 | p11.b0 |
| acer veriton_m4620_firmware | v < p21.a3 | p21.a3 |
| acer veriton_m4620g_firmware | v < p21.a3 | p21.a3 |
| acer veriton_m6620g_firmware | v < p21.a0 | p21.a0 |
| acer veriton_n2620g_firmware | v < p21.b0 | p21.b0 |
| acer veriton_n4620g_firmware | v < p11.a2l | p11.a2l |
| acer veriton_n4630g_firmware | v < p21.b0 | p21.b0 |
| acer veriton_s6620g_firmware | v < p11.a1 | p11.a1 |
| acer veriton_x2611g_firmware | v < p11.a4 | p11.a4 |
| acer veriton_x2611_firmware | v < p11.a4 | p11.a4 |
| acer veriton_x4620g_firmware | v < p11.a3 | p11.a3 |
| acer veriton_x6620g_firmware | v < p11.a3 | p11.a3 |
| acer veriton_z2650g_firmware | v < p21.a1 | p21.a1 |
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