CVE-2020-5378 — Use After Free in Dell CPG Bios

CWE-416 — Use After Free3 documents3 sources
Severity
6.8MEDIUMNVD
EPSS
0.0%
top 85.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Dell CPG BiosDell G7 17 7790 Bios
Timeline
PublishedSep 2
Latest updateMay 24

Description

Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 0.9 | Impact: 5.9

Affected Packages2 packages

▶NVDdell/g7_17_7790_bios< 1.13.2
▶CVEListV5dell/cpg_biosunspecified — 1.13.0

🔴Vulnerability Details

2
GHSA
GHSA-m7cj-ph5p-mg4w: Dell G7 17 7790 BIOS versions prior to 1↗2022-05-24
▶
CVEList
CVE-2020-5378: Dell G7 17 7790 BIOS versions prior to 1↗2020-09-02
▶
CVE-2020-5378 — Use After Free in Dell CPG Bios | cvebase