CVE-2020-21526

An Arbitrary file writing vulnerability in halo v1.1.3. In an interface to write files in the background, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/halo-dev/halo/issues/421	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:halo:halo:1.1.3:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-09-30 18:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-21526

Mitre link : CVE-2020-21526

CVE.ORG link : CVE-2020-21526

JSON object : View

Products Affected

halo

halo

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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