CVE-2012-0955
Published: 2 December 2020
software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.
Notes
| Author | Note |
|---|---|
| mdeslaur | introduced in 0.84 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
software-properties Launchpad, Ubuntu, Debian |
lucid |
Ignored
(end of life)
|
| precise |
Not vulnerable
|
|
| quantal |
Not vulnerable
|
|
| raring |
Not vulnerable
|
|
| upstream |
Released
(0.92)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.4 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |