HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2016-9243US | high7.5 | — | ||
HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size. | ||||
02
references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2016/11/09/2WEB
- http://www.securityfocus.com/bid/94216WEB
- http://www.ubuntu.com/usn/USN-3138-1ADVISORY
- https://cryptography.io/en/latest/changelogWEB
- https://github.com/advisories/GHSA-q3cj-2r34-2cwcADVISORY
- https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874FIX
- https://github.com/pyca/cryptography/issues/3211REPORT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R2ZOBMPWDFFHUZ6QOZZY36A6H5CGJXL/WEB
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