Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | software-properties | 0.92 – < 0.92 | 0.92 |
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 12 | software-properties | 0.92.25debian1 | — |
References
- https://launchpad.net/bugs/1036839 vendor-advisory
- https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753 vendor-advisory