PT-2017-7269 · Lemur · Lemur

Rpicardo · Published 2017-08-09 · Updated 2022-05-13 · CVE-2015-7764

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Lemur version 0.1.4

Description The issue is related to insufficient entropy in the initialization vector (IV) when encrypting AES in CBC mode.

Recommendations For version 0.1.4, consider updating to a version that properly implements sufficient entropy in its IV for AES encryption in CBC mode. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-331

Related Identifiers

CVE-2015-7764

GHSA-CHG9-3C3P-CH23

PYSEC-2017-50

Affected Products

Lemur

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2015-7764 · Security Note
• https://osv.dev/vulnerability/GHSA-chg9-3c3p-ch23 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2017-50 · Vendor Advisory
• https://github.com/Netflix/lemur · Note
• https://github.com/Netflix/lemur/commit/394e18f76e5eb534d95160945ebc231ec3b4c794 · Note
• https://github.com/Netflix/lemur/issues/117 · Note
• https://github.com/kvesteri/sqlalchemy-utils/issues/166 · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/lemur/PYSEC-2017-50.yaml · Note
• http://openwall.com/lists/oss-security/2015/10/20/3 · Note