CVE-2021-32032

Public Exploit

Description

In Trusted Firmware-M through 1.3.0, cleaning up the memory allocated for a multi-part cryptographic operation (in the event of a failure) can prevent the abort() operation in the associated cryptographic library from freeing internal resources, causing a memory leak.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Vendor Advisory trustedfirmware.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.trustedfirmware.org vendor advisory
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/crypto_multi_part_ops_abort_fail.rst third party advisory exploit
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/commit/?id=7e2e523a1c4e9ac7b9cc4fd551831f7639ed5ff9 patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-32032?
CVE-2021-32032 has been scored as a high severity vulnerability.
How to fix CVE-2021-32032?
To fix CVE-2021-32032, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32032 being actively exploited in the wild?
It is possible that CVE-2021-32032 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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