CVE-2019-15796 Information

Description

Python-apt doesn’t check if hashes are signed in Version.fetch_binary() and Version.fetch_source() of apt/package.py or in _fetch_archives() of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn’t be allowed and has been fixed in verisions 1.9.5 1.9.0ubuntu1.2 1.6.5ubuntu0.1 1.1.0~beta1ubuntu0.16.04.7 0.9.3.5ubuntu3+esm2 and 0.8.3ubuntu7.5.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://usn.ubuntu.com/4247-1/ https://usn.ubuntu.com/4247-3/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.7