glib-networking: In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of th...
CVE-2020-13645 is fixed in 5 products on 1 platform, first by balsa 2.6.0-2ubuntu0.1, released May 28, 2020. It is not reported as exploited. Patch Radar priority: Routine.
In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to specify the expected server identity. This is in contrast to its intended documented behavior, to fail the certificate verification. Applications that fail to provide the server identity, including Balsa before 2.5.11 and 2.6.x before 2.6.1, accept a TLS certificate if the certificate is valid for any host.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| balsa · Ubuntu 20.04 LTS (focal) | 2.6.0-2ubuntu0.1 | balsa 2.6.0-2ubuntu0.1 | May 28, 2020 |
| glib-networking · Ubuntu 18.04.6 LTS (bionic) | 2.56.0-1ubuntu0.1 | glib-networking 2.56.0-1ubuntu0.1 | May 28, 2020 |
| glib-networking · Ubuntu 20.04 LTS (focal) | 2.64.2-1ubuntu0.1 | glib-networking 2.64.2-1ubuntu0.1 | May 28, 2020 |
| glib-networking-common · Ubuntu 18.04.6 LTS (bionic) | 2.56.0-1ubuntu0.1 | glib-networking-common 2.56.0-1ubuntu0.1 | May 28, 2020 |
| glib-networking-common · Ubuntu 20.04 LTS (focal) | 2.64.2-1ubuntu0.1 | glib-networking-common 2.64.2-1ubuntu0.1 | May 28, 2020 |
| glib-networking-services · Ubuntu 18.04.6 LTS (bionic) | 2.56.0-1ubuntu0.1 | glib-networking-services 2.56.0-1ubuntu0.1 | May 28, 2020 |
| glib-networking-services · Ubuntu 20.04 LTS (focal) | 2.64.2-1ubuntu0.1 | glib-networking-services 2.64.2-1ubuntu0.1 | May 28, 2020 |
| glib-networking-tests · Ubuntu 18.04.6 LTS (bionic) | 2.56.0-1ubuntu0.1 | glib-networking-tests 2.56.0-1ubuntu0.1 | May 28, 2020 |
| glib-networking-tests · Ubuntu 20.04 LTS (focal) | 2.64.2-1ubuntu0.1 | glib-networking-tests 2.64.2-1ubuntu0.1 | May 28, 2020 |
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