CVE-2021-43814

low-risk
Published 2021-12-13

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.

Do I need to act?

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0.25% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.7/10 High
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Rizin

References (6)

Patch https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea40...
Third Party Advisory https://github.com/rizinorg/rizin/issues/2083
Third Party Advisory https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r
Patch https://github.com/rizinorg/rizin/commit/aa6917772d2f32e5a7daab25a46c72df0b5ea40...
Third Party Advisory https://github.com/rizinorg/rizin/issues/2083
Third Party Advisory https://github.com/rizinorg/rizin/security/advisories/GHSA-hqqp-vjcm-mw8r
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal