| Name | CVE-2021-42612 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| halibut (PTS) | bullseye | 1.2-4 | vulnerable |
| sid, trixie, bookworm | 1.3-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| halibut | source | (unstable) | 1.3-1 | | | |
Notes
[bullseye] - halibut <no-dsa> (Minor issue)
[buster] - halibut <no-dsa> (Minor issue)
https://carteryagemann.com/halibut-case-study.html#poc-halibut-text-uaf
Inventing an errorstate to pass to all err_* functions and use it to track fatal errors:
https://git.tartarus.org/?p=simon/halibut.git;a=commit;h=5c3db60a2911efb18bdc823264b74d8045c407b9 (1.3)
https://git.tartarus.org/?p=simon/halibut.git;a=commit;h=edaf724febe2f9c890ef1cfdf24a78d5c1da2b32 (1.3)