Description
It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| apt | apt | All versions | — |
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 | apt | No fix yet | — |
| Debian 13 | apt | No fix yet | — |
| Debian 12 | apt | No fix yet | — |
References
- https://security-tracker.debian.org/tracker/CVE-2011-3374
- https://access.redhat.com/security/cve/cve-2011-3374
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480
- https://snyk.io/vuln/SNYK-LINUX-APT-116518
- https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.html
- https://seclists.org/fulldisclosure/2011/Sep/221
- https://ubuntu.com/security/CVE-2011-3374