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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 was introduced when attempting to fix a memory leak identified by static analysis.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Denx ≫ U-boot Version <= 2020.01
Opensuse ≫ Leap Version15.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.7% 0.883
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
CWE-415 Double Free

The product calls free() twice on the same memory address.

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html
Third Party Advisory
Mailing List
https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html
https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html