FreeBSD9E2D0DCF-9926-11E8-A92D-0050562A4D7Bpy-cryptography -- tag forgery vulnerability
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
54.7%
The Python Cryptographic Authority (PyCA) project reports:
finalize_with_tag() allowed tag truncation by default which can allow tag forgery in some cases. The method now enforces the min_tag_length provided to the GCM constructor
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | py27-cryptography | < 2.3 | UNKNOWN |
| FreeBSD | any | noarch | py34-cryptography | < 2.3 | UNKNOWN |
| FreeBSD | any | noarch | py35-cryptography | < 2.3 | UNKNOWN |
| FreeBSD | any | noarch | py36-cryptography | < 2.3 | UNKNOWN |
| FreeBSD | any | noarch | py37-cryptography | < 2.3 | UNKNOWN |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
54.7%