Vulnerability in Enigmail
CVE-2017-17843
An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Enigmail
- Debian Linux — versions 8.0, 9.0
References
- enigmail.net/download/other/Enigmail Pentest Report by Cure53 - Excerpt.pdf (Vendor Advisory)
- lists.debian.org/debian-security-announce/2017/msg00333.html (Third Party Advisory)
- www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html
- lists.debian.org/debian-lts-announce/2017/12/msg00021.html (mailing-list)
- www.debian.org/security/2017/dsa-4070 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17843?
- CVE-2017-17843 is a medium-severity vulnerability in Enigmail. CVSS score: 5.9/10. Published 2017-12-27.
- How severe is CVE-2017-17843?
- Medium severity. CVSS v3 base score is 5.9 out of 10.