CVE-2020-8432

NameCVE-2020-8432
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
u-boot (PTS)stretch2016.11+dfsg1-4vulnerable
buster2019.01+dfsg-7vulnerable
bullseye2021.01+dfsg-5fixed
bookworm, sid2021.10+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
u-bootsource(unstable)2020.01+dfsg-2low

Notes

[buster] - u-boot <ignored> (Minor issue)
[stretch] - u-boot <no-dsa> (Minor issue)
[jessie] - u-boot <ignored> (Minor issue)
https://lists.denx.de/pipermail/u-boot/2020-January/396799.html
https://lists.denx.de/pipermail/u-boot/2020-January/396853.html

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