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.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2"
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{
"binary_name": "thunderbird-dev",
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2"
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{
"binary_name": "thunderbird-mozsymbols",
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"binary_name": "xul-ext-calendar-timezones",
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"binary_name": "xul-ext-gdata-provider",
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"binary_name": "xul-ext-lightning",
"binary_version": "1:68.7.0+build1-0ubuntu0.16.04.2"
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{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:68.2.1+build1-0ubuntu0.18.04.1"
},
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"binary_name": "thunderbird-dev",
"binary_version": "1:68.2.1+build1-0ubuntu0.18.04.1"
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"binary_name": "thunderbird-gnome-support",
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"binary_name": "thunderbird-mozsymbols",
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"binary_name": "xul-ext-calendar-timezones",
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]
}