CVE-2019-15796: python-apt Does Not Check Hash Signature
4.7
CVSS Score
3.1
Basic Information
CVE ID
GHSA ID
EPSS Score
0.33874%
CWE
Published
5/24/2022
Updated
9/26/2023
KEV Status
No
Technology
Python
PythonTechnical Details
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| python-apt | pip | < 0.8.3ubuntu7.5 | 0.8.3ubuntu7.5 |
| python-apt | pip | >= 0.9.0, < 0.9.3.5ubuntu3 | 0.9.3.5ubuntu3 |
| python-apt | pip | >= 1.2.0, < 1.6.5ubuntu0.1 | 1.6.5ubuntu0.1 |
| python-apt | pip | >= 1.7.0, < 1.9.0ubuntu1.2 | 1.9.0ubuntu1.2 |
| python-apt | pip | >= 1.9.1, < 1.9.5 | 1.9.5 |
Vulnerability Intelligence
Miggo AI
Miggo AIRoot Cause Analysis
The vulnerability description explicitly names Version.fetch_binary(), Version.fetch_source() in apt/package.py and _fetch_archives() in apt/cache.py as functions that lacked hash signature verification. Multiple authoritative sources (CVE, GHSA, Ubuntu security notices) confirm these entry points failed to enforce cryptographic signature checks, which is directly tied to CWE-347. The functions' roles in package fetching operations make them logical points for this vulnerability.