Improper Verification of Cryptographic Signature Affecting enigmail package, versions <2:2.0.6.1-2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-ENIGMAIL-337306
- published11 Feb 2019
- disclosed11 Feb 2019
Introduced: 11 Feb 2019
CVE-2018-15586 (opens in a new tab)How to fix?
Upgrade Debian:10 enigmail to version 2:2.0.6.1-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream enigmail package and not the enigmail package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
Enigmail before 2.0.6 is prone to to OpenPGP signatures being spoofed for arbitrary messages using a PGP/INLINE signature wrapped within a specially crafted multipart HTML email.
References
- https://security-tracker.debian.org/tracker/CVE-2018-15586
- 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://sourceforge.net/p/enigmail/bugs/849/
- http://www.openwall.com/lists/oss-security/2019/04/30/4
- http://seclists.org/fulldisclosure/2019/Apr/38