CVE-2022-43779
A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in certain HP PC products using AMI UEFI Firmware (system BIOS) which might allow arbitrary code execution, denial of service, and information disclosure.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in certain HP PC products using AMI UEFI Firmware (system BIOS) which might allow arbitrary code execution, denial of service, and information disclosure. AMI has released updates to mitigate the potential vulnerability.
- CVSS 3.1
- 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.14% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- hp/348 g4 firmware · hp/260 g2 desktop mini firmware · hp/218 pro g5 mt firmware · hp/260 g3 desktop mini firmware · hp/260 g4 desktop mini firmware · hp/280 g3 microtower pc firmware · hp/280 g3 pci microtower pc firmware · hp/288 pro g3 microtower pc firmware · hp/290 g1 microtower firmware · hp/desktop pro 300 g3 firmware · hp/desktop pro a 300 g3 firmware · hp/desktop pro a g2 firmware · hp/desktop pro a g2 microtower firmware · hp/desktop pro a g3 firmware · hp/desktop pro a g3 microtower firmware · hp/desktop pro g3 firmware · hp/desktop pro g3 microtower firmware · hp/desktop pro microtower firmware · hp/zhan 66 pro a g1 microtower firmware · hp/zhan 66 pro a g1 r microtower firmware · +5 more
- Source
- hp-security-alert@hp.com
References
- https://support.hp.com/us-en/document/ish_7394557-7394585-16/hpsbhf03829Patch, Vendor Advisory
- https://support.hp.com/us-en/document/ish_7394557-7394585-16/hpsbhf03829Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.