| Name | CVE-2017-8843 |
| Description | The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2725-1, ELA-597-1 |
| Debian Bugs | 863155 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| lrzip (PTS) | jessie, jessie (lts) | 0.616-1+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 0.631-1+deb9u3 | fixed |
| buster (security), buster, buster (lts) | 0.631+git180528-1+deb10u1 | fixed |
| bullseye (security), bullseye | 0.641-1+deb11u1 | fixed |
| bookworm | 0.651-2 | fixed |
| sid, trixie | 0.651-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/ckolivas/lrzip/issues/69
https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-join_pthread-stream-c/
https://github.com/ckolivas/lrzip/commit/cd456aa70e1f9b6769454ab4f8198e1551c33c49 (v0.640)
Crash in CLI tool, no security implications