CVE-2011-4407 describes a vulnerability in ppa.py within Software Properties versions prior to 0.81.13.3, affecting Canonical's software_properties and Ubuntu Linux. The flaw stems from a lack of server certificate validation when downloading PPA GPG key fingerprints, enabling man-in-the-middle (MITM) attackers to spoof GPG keys for package repositories. With a CVSS score of 4.3, this vulnerability has a network attack vector, medium attack complexity, and a potential impact of partial integrity compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.81.13.1CPE matchmatch criteria | cpe:2.3:a:canonical:software-properties:*:*:*:*:*:*:*:* | ||
10.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | ||
10.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* | ||
11.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* | ||
11.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.