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Vulnerability Details : CVE-2017-17688

** 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 obsolete packet type, not a problem in the OpenPGP specification.
Publish Date : 2018-05-16 Last Update Date : 2019-10-02
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2017-17688

# Product Type Vendor Product Version Update Edition Language
1 Application Apple Mail - Version Details Vulnerabilities
2 Application Apple Mail - ~~~iphone Os~~ Version Details Vulnerabilities
3 Application Bloop Airmail - Version Details Vulnerabilities
4 Application Emclient Emclient - Version Details Vulnerabilities
5 Application Flipdogsolutions Maildroid - Version Details Vulnerabilities
6 Application Freron Mailmate - Version Details Vulnerabilities
7 Application Horde Horde Imp - Version Details Vulnerabilities
8 Application Microsoft Outlook 2007 Version Details Vulnerabilities
9 Application Mozilla Thunderbird - Version Details Vulnerabilities
10 Application Postbox-inc Postbox - Version Details Vulnerabilities
11 Application R2mail2 R2mail2 - Version Details Vulnerabilities
12 Application Roundcube Webmail - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mail 2
Bloop Airmail 1
Emclient Emclient 1
Flipdogsolutions Maildroid 1
Freron Mailmate 1
Horde Horde Imp 1
Microsoft Outlook 1
Mozilla Thunderbird 1
Postbox-inc Postbox 1
R2mail2 R2mail2 1
Roundcube Webmail 1

- References For CVE-2017-17688

https://efail.de
http://www.securityfocus.com/bid/104162
BID 104162 OpenPGP CVE-2017-17688 Man In The Middle Information Disclosure Vulnerability Release Date:2018-05-15
http://www.securitytracker.com/id/1040904
SECTRACK 1040904
https://www.synology.com/support/security/Synology_SA_18_22 CONFIRM
https://protonmail.com/blog/pgp-vulnerability-efail
https://twitter.com/matthew_d_green/status/995996706457243648
https://lists.gnupg.org/pipermail/gnupg-users/2018-May/060334.html
http://flaked.sockpuppet.org/2018/05/16/a-unified-timeline.html
https://news.ycombinator.com/item?id=17066419
https://www.patreon.com/posts/cybersecurity-15-18814817

- Metasploit Modules Related To CVE-2017-17688

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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