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Diffoscope may write to arbitrary locations due to an untrusted archive

Critical severity GitHub Reviewed Published Jul 13, 2018 to the GitHub Advisory Database • Updated Sep 5, 2023

Package

pip diffoscope (pip)

Affected versions

< 76

Patched versions

76

Description

diffoscope before 76 writes to arbitrary locations on disk based on the contents of an untrusted archive.

References

Published to the GitHub Advisory Database Jul 13, 2018
Reviewed Jun 16, 2020
Last updated Sep 5, 2023

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS score

0.329%
(71st percentile)

Weaknesses

CVE ID

CVE-2017-0359

GHSA ID

GHSA-8p5c-f328-9fvv

Source code

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