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CVE-2019-15796

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CVE-2019-15796

Published: Mar 26, 2020

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

4.7

MEDIUM

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.

VendorProductVersions

Canonical

Python-apt

affected
0.8.3 - < 0.8.3ubuntu7.5
affected
0.9.3.5 - < 0.9.3.5ubuntu3+esm2
affected
1.1.0 - < 1.1.0~beta1ubuntu0.16.04.7
affected
1.6.5 - < 1.6.5ubuntu0.1
affected
1.9.0 - < 1.9.0ubuntu1.2

+1 more versions

Weaknesses (CWE)

CWE-287

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

https://usn.ubuntu.com/4247-1/
vendor-advisory
x_refsource_UBUNTU
https://usn.ubuntu.com/4247-3/
vendor-advisory
x_refsource_UBUNTU

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