CVE-2017-17689 Affecting kf5-messagelib package, versions <4:18.08.1-1
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-DEBIAN11-KF5MESSAGELIB-520930
- published16 May 2018
- disclosed16 May 2018
Introduced: 16 May 2018
CVE-2017-17689 (opens in a new tab)How to fix?
Upgrade Debian:11 kf5-messagelib to version 4:18.08.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kf5-messagelib package and not the kf5-messagelib package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
References
- https://security-tracker.debian.org/tracker/CVE-2017-17689
- https://www.synology.com/support/security/Synology_SA_18_22
- https://efail.de
- https://news.ycombinator.com/item?id=17066419
- https://pastebin.com/gNCc8aYm
- https://twitter.com/matthew_d_green/status/996371541591019520
- http://www.securityfocus.com/bid/104165
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-17689