Vulnerability Details CVE-2021-42614
A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
References
- https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/
- https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/
Products affected by CVE-2021-42614
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cpe:2.3:a:halibut_project:halibut:1.2
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cpe:2.3:o:fedoraproject:fedora:35