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Vulnerability Details : CVE-2019-8338

The signature verification routine in the Airmail GPG-PGP Plugin, versions 1.0 (9) and earlier, does not verify the status of the signature at all, which allows remote attackers to spoof arbitrary email signatures by crafting a signed email with an invalid signature. Also, it does not verify the validity of the signing key, which allows remote attackers to spoof arbitrary email signatures by crafting a key with a fake user ID (email address) and injecting it into the user's keyring.
Publish Date : 2019-05-16 Last Update Date : 2019-05-21
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
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 347

- Products Affected By CVE-2019-8338

# Product Type Vendor Product Version Update Edition Language
1 Application Gpg-pgp Project Gpg-pgp 1.0\(9\) ~~~airmail~~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Gpg-pgp Project Gpg-pgp 1

- References For CVE-2019-8338

http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
https://github.com/RUB-NDS/Johnny-You-Are-Fired
https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
https://github.com/Airmail/AirmailPlugIn-Framework/commits/master
http://seclists.org/fulldisclosure/2019/Apr/38
FULLDISC 20190430 OpenPGP and S/MIME signature forgery attacks in multiple email clients
https://www.openwall.com/lists/oss-security/2019/04/30/4
MLIST [oss-security] 20190430 Spoofing OpenPGP and S/MIME Signatures in Emails (multiple clients)

- Metasploit Modules Related To CVE-2019-8338

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


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