CVE-2017-17845
CVE-2017-17845 is a high-severity vulnerability in Enigmail with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-338.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-338
- Affected product: Enigmail
- Published:
- Last modified:
Description
An issue was discovered in Enigmail before 1.9.9. Improper Random Secret Generation occurs because Math.Random() is used by pretty Easy privacy (pEp), aka TBE-01-001.
Frequently asked questions
- What is CVE-2017-17845?
- An issue was discovered in Enigmail before 1.9.9. Improper Random Secret Generation occurs because Math.Random() is used by pretty Easy privacy (pEp), aka TBE-01-001.
- How severe is CVE-2017-17845?
- CVE-2017-17845 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2017-17845 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-17845?
- CVE-2017-17845 primarily affects Enigmail. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-17845?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-17845 published?
- CVE-2017-17845 was published on 2017-12-27 and last updated on 2026-06-17.
References
- https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf
- https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
- https://lists.debian.org/debian-security-announce/2017/msg00333.html
- https://www.debian.org/security/2017/dsa-4070
- https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html
Affected products (3)
- cpe:2.3:a:enigmail:enigmail:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
More vulnerabilities in Enigmail
- CVE-2006-5877 — High (CVSS 7.8): The enigmail extension before 0.94.2 does not properly handle large, encrypted file e-mail attachments, which allows…
- CVE-2019-12269 — High (CVSS 7.5): Enigmail before 2.0.11 allows PGP signature spoofing: for an inline PGP message, an attacker can cause the product to…
- CVE-2018-12019 — High (CVSS 7.5): The signature verification routine in Enigmail before 2.0.7 interprets user ids as status/control messages and does not…
- CVE-2017-17848 — High (CVSS 7.5): An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for…
- CVE-2017-17847 — High (CVSS 7.5): An issue was discovered in Enigmail before 1.9.9. Signature spoofing is possible because the UI does not properly…
- CVE-2017-17846 — High (CVSS 7.5): An issue was discovered in Enigmail before 1.9.9. Regular expressions are exploitable for Denial of Service, because of…
Other CWE-338 vulnerabilities
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- CVE-2026-3256 — Critical (CVSS 9.8): HTTP::Session versions before 0.54 for Perl defaults to using insecurely generated session ids. HTTP::Session defaults…
- CVE-2025-15604 — Critical (CVSS 9.8): Amon2 versions before 6.17 for Perl use an insecure random_string implementation for security functions. In versions…
- CVE-2025-40926 — Critical (CVSS 9.8): Plack::Middleware::Session::Simple versions before 0.05 for Perl generates session ids insecurely. The default session…
- CVE-2026-2439 — Critical (CVSS 9.8): Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generate_session_id…
- CVE-2025-15578 — Critical (CVSS 9.8): Maypole versions from 2.10 through 2.13 for Perl generates session ids insecurely. The session id is seeded with the…