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Arbitrary local file read vulnerability during template rendering

High severity GitHub Reviewed Published Mar 15, 2023 to the GitHub Advisory Database • Updated Mar 20, 2023

Package

npm swig (npm)

Affected versions

<= 1.4.2

Patched versions

None
npm swig-templates (npm)
<= 2.0.4
None

Description

Directory traversal vulnerability in swig-templates thru 2.0.4 and swig thru 1.4.2, allows attackers to read arbitrary files via the include or extends tags.

References

Published by the National Vulnerability Database Mar 15, 2023
Published to the GitHub Advisory Database Mar 15, 2023
Reviewed Mar 16, 2023
Last updated Mar 20, 2023

Severity

High

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
None
Availability
None

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:N/A:N

EPSS score

0.238%
(62nd percentile)

Weaknesses

CVE ID

CVE-2023-25345

GHSA ID

GHSA-2rq5-699j-x7p6

Source code

No known source code
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