CVE-2020-5376 — 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 Inspiron 7347 Bios
Timeline
PublishedSep 2
Latest updateMay 24

Description

Dell Inspiron 7347 BIOS versions prior to A13 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

▶CVEListV5dell/cpg_biosunspecified — A13

🔴Vulnerability Details

2
GHSA
GHSA-c55q-m48j-xjc6: Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability↗2022-05-24
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CVEList
CVE-2020-5376: Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability↗2020-09-02
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CVE-2020-5376 — Use After Free in Dell CPG Bios | cvebase