CVE-2011-4407
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.3
Description
ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for a package repository.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.10 | Affected | — |
| 11.04 | Affected | — |
| 10.10 | Affected | — |
| 10.04 | Affected | — |
Debian Fixed 3 releases
| Version | Status | Fixed in |
|---|---|---|
| sid | Fixed | 0.76.7debian2+nmu2 |
| bullseye | Fixed | 0.76.7debian2+nmu2 |
| bookworm | Fixed | 0.76.7debian2+nmu2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| canonical | software-properties | {"endIncluding":"0.81.13.1"} | |
References
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.