Design/Logic Flaw

DISPUTED The OpenPGP specification allows a Cipher Feedback Mode CFB malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code MDC feature or accept an...

CVE-2017-17688

CVE-2017-17688 concerns an OpenPGP CFB gadget/malleability attack (EFAIL) that can lead to plaintext exfiltration from encrypted emails. Connected advisories show Enigmail/OpenPGP patches (e.g., openSUSE SUSE/OpenSUSE-2019-368/395; Thunderbird enigmail updates) addressing this vulnerability by ti...