CVE-2020-8432
9.8
CRITICAL
CVSS 3.1
EPSS 2.0%
Description
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.
How to fix CVE-2020-8432
To remediate CVE-2020-8432, upgrade the affected package to a fixed version below.
- Debian/u-boot—upgrade to 2020.01+dfsg-2 or later
Is CVE-2020-8432 being exploited?
Low — EPSS is 2.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2020.01+dfsg-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |