CVE-2018-15586
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.
02 Description
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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.6% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-02-11 17:00Z7 YR AGO
- Last updated
- 2024-08-05 10:01Z2 YR AGO
- Reserved
- 2018-08-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-347Improper Verification of Cryptographic SignatureBase
- Data version
- 5.1
- Document digest
- da45592f38671b98948be7bd8c3857e4d8d0e7693faa4510467711d33f4d0b8d
05 Affected products
06 References
- sourceforge.nethttps://sourceforge.net/p/enigmail/bugs/849/
- www.openwall.com[oss-security] 20190430 Spoofing OpenPGP and S/MIME Signatures in Emails (multiple clients)http://www.openwall.com/lists/oss-security/2019/04/30/4
- seclists.org20190430 OpenPGP and S/MIME signature forgery attacks in multiple email clientshttp://seclists.org/fulldisclosure/2019/Apr/38
- packetstormsecurity.comhttp://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- github.comhttps://github.com/RUB-NDS/Johnny-You-Are-Fired
- github.comhttps://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
07 Fixed in
Debian 11
- enigmail Fixed in 2:2.0.6.1-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.