FreeBSDE5DCB942-BA6F-11E6-B1CF-14DAE9D210B8py-cryptography -- vulnerable HKDF key generation
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%
Alex Gaynor reports:
Fixed a bug where HKDF would return an empty
byte-string if used with a length less than
algorithm.digest_size.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | py27-cryptography | < 1.5.3 | UNKNOWN |
| FreeBSD | any | noarch | py33-cryptography | < 1.5.3 | UNKNOWN |
| FreeBSD | any | noarch | py34-cryptography | < 1.5.3 | UNKNOWN |
| FreeBSD | any | noarch | py35-cryptography | < 1.5.3 | UNKNOWN |
Related
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%