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Attacker Value
Unknown

CVE-2017-17847

Disclosure Date: December 27, 2017 (last updated November 08, 2023)
An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly distinguish between an attachment signature, and a signature that applies to the entire containing message, aka TBE-01-021. This is demonstrated by an e-mail message with an attachment that is a signed e-mail message in message/rfc822 format.
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Attacker Value
Unknown

CVE-2017-17848

Disclosure Date: December 27, 2017 (last updated October 05, 2023)
An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.