Vulnerability · Published Jan 29, 2020 · Assigned by mitre
CVE-2020-8432
Critical 9.8
In plain English
A critical-severity security flaw in the u-boot package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.1%top 12.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | u-boot | 2020.01+dfsg-2 | DEBIAN-CVE-2020-8432 |
| Debian:13 | u-boot | 2020.01+dfsg-2 | DEBIAN-CVE-2020-8432 |
| Debian:14 | u-boot | 2020.01+dfsg-2 | DEBIAN-CVE-2020-8432 |
Affected products (as reported)
References
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html x_refsource_MISC
- https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html x_refsource_MISC
- openSUSE-SU-2020:1869 vendor-advisory, x_refsource_SUSE