Improper input validation in Enigmail
CVE-2017-17846
An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of attempts to match arbitrarily long strings, aka TBE-01-003.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Enigmail
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- enigmail.net/download/other/Enigmail Pentest Report by Cure53 - Excerpt.pdf (Third Party Advisory, 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-2017-17846?
- CVE-2017-17846 is a high-severity vulnerability in Enigmail, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-12-27.
- How severe is CVE-2017-17846?
- High severity. CVSS v3 base score is 7.5 out of 10.