thunderbird: A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a...
CVE-2019-11755 is fixed in 6 products on 1 platform, first by thunderbird 1:68.2.1+build1-0ubuntu0.18.04.1, released October 22, 2019. It is not reported as exploited. Patch Radar priority: Routine.
A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | thunderbird 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:68.2.1+build1-0ubuntu0.18.04.1 | xul-ext-lightning 1:68.2.1+build1-0ubuntu0.18.04.1 | Oct 22, 2019 |
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