CVE-2021-4022
MEDIUMCVSS 5.5/10EPSS 0.29%
Last modified
CVE-2021-4022 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rizin | Rizin | <= 0.3.1 |
References
- https://github.com/rizinorg/rizin/issues/2015Exploit, Issue Tracking, Third Party Advisory
- https://github.com/rizinorg/rizin/issues/2015Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4022?
A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.
How severe is CVE-2021-4022?
CVE-2021-4022 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4022?
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-2021-4022?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST