What is CVE-2020-8432?

CVE-2020-8432 is a critical-severity vulnerability in Denx U-boot, classified under Double Free. CVSS score: 9.8/10. Published 2020-01-29.

How severe is CVE-2020-8432?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Double Free in Denx U-boot

CVE-2020-8432

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…

Vulnerability class: Double Free

EPSS: 0.037 (88.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Denx U-boot
Opensuse Leap — versions 15.2
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2020-8432?: CVE-2020-8432 is a critical-severity vulnerability in Denx U-boot, classified under Double Free. CVSS score: 9.8/10. Published 2020-01-29.
How severe is CVE-2020-8432?: Critical severity. CVSS v3 base score is 9.8 out of 10.