Vulnerability CVE-2017-17689
Published: 2018-05-16

Description:
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Ritlabs -> The bat 
R2mail2 -> R2mail2 
Postbox-inc -> Postbox 
Mozilla -> Thunderbird 
Microsoft -> Outlook 
KDE -> Kmail 
KDE -> Trojita 
IBM -> Notes 
Horde -> Horde imp 
Google -> Gmail 
Gnome -> Evolution 
Freron -> Mailmate 
Flipdogsolutions -> Maildroid 
Emclient -> Emclient 
Bloop -> Airmail 
Apple -> MAIL 
9folders -> NINE 

 References:
http://www.securityfocus.com/bid/104165
https://efail.de
https://news.ycombinator.com/item?id=17066419
https://pastebin.com/gNCc8aYm
https://twitter.com/matthew_d_green/status/996371541591019520
https://www.synology.com/support/security/Synology_SA_18_22
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