Description
Untrusted search path vulnerability in Module::Signature before 0.75 allows local users to gain privileges via a Trojan horse module under the current working directory, as demonstrated by a Trojan horse Text::Diff module.
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 | libmodule-signature-perl | 0.78-1 | — |
| Debian 13 | libmodule-signature-perl | 0.78-1 | — |
| Debian 12 | libmodule-signature-perl | 0.78-1 | — |
| Debian 8 | libmodule-signature-perl | 0.73-1+deb8u1 | DSA-3261-1 |
| Debian 7 | libmodule-signature-perl | 0.68-1+deb7u2 | DSA-3261-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | libmodule-signature-perl | 0.63-1+squeeze2 | DLA-264-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | libmodule-signature-perl | 0.73-1ubuntu0.14.04.1 | USN-2607-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | perl-Module-Signature | 0.81-1.1 | openSUSE-SU-2024:10458-1 |
Advisories 4
- DSA-3261-1 libmodule-signature-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-264-1 libmodule-signature-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2607-1 libmodule-signature-perl vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:10458-1 perl-Module-Signature-0.81-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://metacpan.org/changes/distribution/Module-Signature
- DSA-3261 vendor-advisory
- [oss-security] 20150406 CVE request: Module::Signature before 0.75 - multiple vulnerabilities mailing-list
- https://github.com/audreyt/module-signature/commit/c41e8885b862b9fce2719449bc9336f0bea658ef
- [oss-security] 20150423 Re: CVE request: Module::Signature before 0.75 - multiple vulnerabilities mailing-list
- 73937 vdb-entry
- USN-2607-1 vendor-advisory