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CVE-2015-7764

Date: August 9, 2017

Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.

Language: Python

Severity Score

7.5

Related Resources (8)

Url: https://github.com/Netflix/lemur/issues/117

Url: https://github.com/kvesteri/sqlalchemy-utils/issues/166

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-7764

Url: https://github.com/Netflix/lemur/commit/394e18f76e5eb534d95160945ebc231ec3b4c794

Url: https://github.com/Netflix/lemur

Url: https://github.com/pypa/advisory-database/tree/main/vulns/lemur/PYSEC-2017-50.yaml

Url: http://www.openwall.com/lists/oss-security/2015/10/20/3

Url: https://www.mend.io/vulnerability-database/CVE-2015-7764

Severity Score

7.5

Weakness Type (CWE)

Insufficient Entropy

CWE-331

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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