Vulnerability Description
An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clamxav | Clamxav | >= 3.0.0, < 3.1.1 |
Related Weaknesses (CWE)
References
- https://gist.github.com/matt-clamxav/d341bd48f12a14d2147f8ce860bb36d0Third Party Advisory
- https://gist.github.com/matt-clamxav/d341bd48f12a14d2147f8ce860bb36d0Third Party Advisory
FAQ
What is CVE-2020-26893?
CVE-2020-26893 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper too...
How severe is CVE-2020-26893?
CVE-2020-26893 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26893?
Check the references section above for vendor advisories and patch information. Affected products include: Clamxav Clamxav.