UbuntuUSN-3138-1python-cryptography vulnerability
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
7.5 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.2%
Releases
- Ubuntu 16.10
- Ubuntu 16.04 ESM
Packages
- python-cryptography - Cryptography Python library
Details
Markus Döring discovered that python-cryptography incorrectly handled
certain HKDF lengths. This could result in python-cryptography returning an
empty string instead of the expected derived key.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.10 | noarch | python-cryptography | < 1.5-2ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.10 | noarch | python-cryptography-doc | < 1.5-2ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.10 | noarch | python3-cryptography | < 1.5-2ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | python-cryptography | < 1.2.3-1ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | python-cryptography-doc | < 1.2.3-1ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | python3-cryptography | < 1.2.3-1ubuntu0.1 | UNKNOWN |
References
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
7.5 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.2%