CVE-2021-45429: Buffer Overflow
First published: Fri Feb 04 2022(Updated: )
A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/yara | <=4.0.5-1 | 4.2.3-4 4.5.2-1 |
| VirusTotal | <=4.1.3 | |
| VirusTotal | >=4.2.0 | |
| IBM Security QRadar | <=7.5 - 7.5.0 UP9 IF03 | |
| IBM Security QRadar Incident Forensics | <=7.5 - 7.5.0 UP9 IF03 | |
| <=4.1.3 |
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Reference Links
- https://github.com/VirusTotal/yara/issues/1616
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45429
- https://nvd.nist.gov/vuln/detail/CVE-2021-45429
- https://launchpad.net/bugs/cve/CVE-2021-45429
- https://security-tracker.debian.org/tracker/CVE-2021-45429
- https://ubuntu.com/security/CVE-2021-45429
- https://github.com/VirusTotal/yara/commit/a36b497926b141624ea673111a101e9ddd7ac2eb
- https://www.ibm.com/support/pages/node/7173420 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-45429?
CVE-2021-45429 is rated as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2021-45429?
To fix CVE-2021-45429, update YARA to version 4.2.3-4 or 4.5.2-1 or any later versions.
Which software is affected by CVE-2021-45429?
CVE-2021-45429 affects VirusTotal YARA versions up to and including 4.1.3 and versions starting from 4.2.0.
What type of vulnerability is CVE-2021-45429?
CVE-2021-45429 is a buffer overflow vulnerability.
Can CVE-2021-45429 lead to data leaks?
CVE-2021-45429 does not explicitly indicate data leaks but can compromise service availability, resulting in denial of service.
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