CVE-2019-8338

MEDIUM

gpg-pgp < 1.0(9) - Improper Verification of Cryptographic Signature

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2019/Apr/38
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://www.openwall.com/lists/oss-security/2019/04/30/4

Scores

CVSS v3 5.9
EPSS 0.0173
EPSS Percentile 74.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-347
Status published
Products (1)
gpg-pgp_project/gpg-pgp < 1.0\(9\)
Published May 16, 2019
Tracked Since Feb 18, 2026