Description
Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gummi | 0.6.5-6 | — |
| Debian 13 | gummi | 0.6.5-6 | — |
| Debian 12 | gummi | 0.6.5-6 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | gummi | 0.6.5-3+deb8u2build0.14.04.1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gummi | 0.7.4.3-2.6 | openSUSE-SU-2024:10107-1 |
Advisories 1
- openSUSE-SU-2024:10107-1 gummi-0.7.4.3-2.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756432
- openSUSE-SU-2015:2369 vendor-advisory
- FEDORA-2016-e21be93421 vendor-advisory
- openSUSE-SU-2016:0574 vendor-advisory
- FEDORA-2016-94b0b50351 vendor-advisory
- [oss-security] 20151008 Re: CVE request: Gummi mailing-list
- [oss-security] 20151008 CVE request: Gummi mailing-list