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githubGitHub Advisory DatabaseGHSA-Q3CJ-2R34-2CWC
HistoryMay 17, 2022 - 2:51 a.m.

Improper input validation in cryptography

2022-05-1702:51:56
CWE-20
GitHub Advisory Database
github.com
8

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.006 Low

EPSS

Percentile

78.2%

HKDF in cryptography before 1.5.3 returns an empty byte-string if used with a length less than algorithm.digest_size.

Affected configurations

Vulners
Node
cryptographypython-cryptographyRange<1.5.3
CPENameOperatorVersion
cryptographylt1.5.3

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.006 Low

EPSS

Percentile

78.2%