CVE-2022-26860 — Stack-based Buffer Overflow in Dell CPG Bios

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.8HIGHNVD
CNA7.5
EPSS
0.1%
top 83.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
400
Dell CPG BiosDell Alienware M15 R6 FirmwareDell Chengming 3980 Firmware+397 more
Timeline
PublishedSep 6
Latest updateSep 7

Description

Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in arbitrary code execution in SMM.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages400 packages

▶CVEListV5dell/cpg_biosunspecified — All
▶NVDdell/g3_3500_firmware< 1.12.0
▶NVDdell/g3_3579_firmware< 1.19.0
▶NVDdell/g5_5090_firmware< 1.12.0

🔴Vulnerability Details

2
GHSA
GHSA-qxc9-cxmm-778r: Dell BIOS versions contain a stack-based buffer overflow vulnerability↗2022-09-07
▶
CVEList
CVE-2022-26860: Dell BIOS versions contain a stack-based buffer overflow vulnerability↗2022-09-06
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CVE-2022-26860 — Stack-based Buffer Overflow in Dell | cvebase