Improper Input Validation The advisory has been revoked - it doesn't affect any version of package enigmail (opens in a new tab)
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-DEBIAN9-ENIGMAIL-324123
- published27 Dec 2017
- disclosed27 Dec 2017
Introduced: 27 Dec 2017
CVE-2017-17846 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream enigmail package and not the enigmail package as distributed by Debian.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-17846
- https://www.debian.org/security/2017/dsa-4070
- https://lists.debian.org/debian-lts-announce/2017/12/msg00021.html
- https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf
- https://lists.debian.org/debian-security-announce/2017/msg00333.html
- https://www.mail-archive.com/enigmail-users@enigmail.net/msg04280.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-17846
- https://www.mail-archive.com/enigmail-users%40enigmail.net/msg04280.html