Home

CVE-2016-9243

Description

HKDF in cryptography before 1.5.2 returns an empty byte-string if used with a length less than algorithm.digest_size.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
Exploitation Probability
1.65

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2016-9243 are fixed in Python-cryptography 1.5.3Windows
Cryptography Python library (USN-3138-1) python-cryptography_1.5-2ubuntu0.1_i386.debLinux
Cryptography Python library (USN-3138-1) python-cryptography_1.5-2ubuntu0.1_amd64.debLinux
Cryptography Python library (USN-3138-1) python-cryptography_1.2.3-1ubuntu0.2_amd64.debLinux
Cryptography Python library (USN-3138-1) python-cryptography_1.2.3-1ubuntu0.2_i386.debLinux
Cryptography Python library (USN-3138-1) python3-cryptography_1.5-2ubuntu0.1_i386.debLinux
Cryptography Python library (USN-3138-1) python3-cryptography_1.5-2ubuntu0.1_amd64.debLinux
Cryptography Python library (USN-3138-1) python3-cryptography_1.2.3-1ubuntu0.2_amd64.debLinux
Cryptography Python library (USN-3138-1) python3-cryptography_1.2.3-1ubuntu0.2_i386.debLinux
Vulnerabilities CVE-2016-9243 are fixed in Python-cryptography for linux 1.5.3Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234