CVE-2020-8432 — Double Free in U-boot

CWE-415 — Double FreeCWE-787 — Out-of-bounds Write7 documents5 sources
Severity
9.8CRITICALNVD
EPSS
2.0%
top 16.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Denx U-bootDebian U-bootOpensuse Leap
Timeline
PublishedJan 29
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/u-boot< u-boot 2020.01+dfsg-2 (bookworm)
▶Debiandenx/u-boot< 2020.01+dfsg-2+3
▶NVDdenx/u-boot2020.01
▶NVDopensuse/leap15.2

🔴Vulnerability Details

2
GHSA
GHSA-j5r3-pwr2-9cqj: In Das U-Boot through 2020↗2022-05-24
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OSV
CVE-2020-8432: In Das U-Boot through 2020↗2020-01-29
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📋Vendor Advisories

1
Debian
CVE-2020-8432: u-boot - In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_...↗2020
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💬Community

3
Bugzilla
CVE-2020-8432 uboot-tools: double free in do_rename_gpt_parts function in cmd/gpt.c↗2020-05-21
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Bugzilla
CVE-2020-8432 uboot-tools: double free in do_rename_gpt_parts function in cmd/gpt.c [epel-6]↗2020-05-21
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Bugzilla
CVE-2020-8432 uboot-tools: double free in do_rename_gpt_parts function in cmd/gpt.c [fedora-all]↗2020-05-21
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