VDB
CVE-2016-9243
CVE-2016-9243
PUBLISHED
HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
EPSS 1.65% · 82.4th percentile
Risk Scores
EPSS Score
1.65%
82.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | python-cryptography | 0, 1.0.2-1, 1.1-1 |
Exploit Intelligence
- FEDORA-2016-2d90e27e50 (circl)
- USN-3138-1 (circl)
- https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874 (circl)
- FEDORA-2016-d3a2b640ce (circl)
- 94216 (circl)
- [oss-security] 20161109 Re: CVE Request: Cryptography 1.5.3: HKDF might return an empty byte-string (circl)
- https://cryptography.io/en/latest/changelog (circl)
- FEDORA-2016-e77c8c1f3b (circl)
- https://github.com/pyca/cryptography/issues/3211 (circl)
Timeline
- Nov 9, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 20, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 8, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
- May 25, 2023 EPSS Score
- Jul 16, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2016-9243 third-party-advisory
- http://www.openwall.com/lists/oss-security/2016/11/08/6 third-party-advisory
- https://ubuntu.com/security/notices/USN-3138-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2016-9243 third-party-advisory