Improper input validation in cryptography
HKDF in cryptography before 1.5.3 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-3138-1WEB
- https://cryptography.io/en/latest/changelogWEB
- https://cryptography.io/en/latest/changelog/#v1-5-3WEB
- https://github.com/advisories/GHSA-q3cj-2r34-2cwcADVISORY
- https://github.com/pyca/cryptographyPACKAGE
- https://github.com/pyca/cryptography/commit/b924696b2e8731f39696584d12cceeb3aeb2d874WEB
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan