| Name | CVE-2018-20834 |
| Description | A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2). |
| 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 |
|---|
| node-tar (PTS) | jessie | 0.1.18-1 | vulnerable |
| stretch | 2.2.1-1 | vulnerable |
| buster (security), buster, buster (lts) | 4.4.6+ds1-3+deb10u2 | fixed |
| bullseye (security), bullseye | 6.0.5+ds1+~cs11.3.9-1+deb11u2 | fixed |
| bookworm | 6.1.13+~cs7.0.5-1 | fixed |
| sid, trixie | 6.2.1+~cs7.0.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| node-tar | source | jessie | (unfixed) | end-of-life | | |
| node-tar | source | stretch | (unfixed) | end-of-life | | |
| node-tar | source | (unstable) | 4.4.4+ds1-2 | | | |
Notes
[stretch] - node-tar <end-of-life> (Nodejs in stretch not covered by security support, minor issue)
[jessie] - node-tar <end-of-life> (Nodejs in jessie not covered by security support, minor issue)
https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8
https://hackerone.com/reports/344595