Vulnerability Description
A use after free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have other unspecified impact via a crafted text document.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Halibut Project | Halibut | 1.2 |
| Fedoraproject | Fedora | 35 |
Related Weaknesses (CWE)
References
- https://carteryagemann.com/halibut-case-study.html#poc-halibut-text-uafExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://carteryagemann.com/halibut-case-study.html#poc-halibut-text-uafExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-42612?
CVE-2021-42612 is a vulnerability with a CVSS score of 7.8 (HIGH). A use after free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have other unspecified impact via a crafted text document.
How severe is CVE-2021-42612?
CVE-2021-42612 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-2021-42612?
Check the references section above for vendor advisories and patch information. Affected products include: Halibut Project Halibut, Fedoraproject Fedora.