Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-36066

Severity CVSS v4.0:
Pending analysis
Type:
CWE-434 Unrestricted Upload of File with Dangerous Type
Publication date:
29/09/2022
Last modified:
06/10/2022

Description

Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, admins can upload a maliciously crafted Zip or Gzip Tar archive to write files at arbitrary locations and trigger remote code execution. The problem is patched in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.20
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:* 2.8.9 (excluding)
cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta9:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools