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CVE-2020-8432

CRITICALCVSS 9.8/10EPSS 3.70%

Last modified

CVE-2020-8432 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 3.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
3.70%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DenxU-Boot<= 2020.01
OpensuseLeap15.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-8432?
CVE-2020-8432 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.70% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8432?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8432?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST