| Name | CVE-2015-4156 |
| Description | GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 787954 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| parallel (PTS) | jessie | 20130922-1 | vulnerable |
| stretch | 20161222-1 | fixed |
| buster, bullseye | 20161222-1.1 | fixed |
| bookworm | 20221122+ds-2 | fixed |
| sid, trixie | 20240222+ds-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| parallel | source | (unstable) | 20161222-1 | unimportant | | 787954 |
Notes
https://lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
https://lists.gnu.org/archive/html/parallel/2015-05/msg00024.html
Not exploitable with kernel hardening since wheezy