CVE-2021-43814

Heap-based OOB write when parsing dwarf DIE info in Rizin

Description

Rizin is a UNIX-like reverse engineering framework and command-line toolset. In versions up to and including 0.3.1 there is a heap-based out of bounds write in parse_die() when reversing an AMD64 ELF binary with DWARF debug info. When a malicious AMD64 ELF binary is opened by a victim user, Rizin may crash or execute unintended actions. No workaround are known and users are advised to upgrade.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: rizinorg rizin
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-43814?
CVE-2021-43814 has been scored as a high severity vulnerability.
How to fix CVE-2021-43814?
To fix CVE-2021-43814, 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-2021-43814 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43814 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43814?
CVE-2021-43814 affects rizinorg rizin.
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