CVE-2024-32939: Github.com/mattermost/mattermost/server/v8 Mattermost Doesn't Redact Remote Users' Vulnerability
MODERATECVE-2024-32939 is a MODERATE (CVSS 4.3) mattermost doesn't redact remote users' vulnerability (CWE-312: Cleartext Storage of Sensitive Information) affecting Github.com/mattermost/mattermost/server/v8 libraries in the Go ecosystem. The issue involves mattermost doesn't redact remote users' original email addresses. Remediation is available by upgrading affected packages to version 9.9.2, 9.5.8, 9.10.1, 9.8.3.
CVE-2024-32939 at a Glance
Security Impact
CVSS: 4.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
How to Fix CVE-2024-32939
To remediate this vulnerability, upgrade all affected Github.com/mattermost/mattermost/server/v8 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/mattermost/mattermost/server/v8 to 9.9.2Upgrade github.com/mattermost/mattermost/server/v8 to 9.5.8Upgrade github.com/mattermost/mattermost/server/v8 to 9.10.1Upgrade github.com/mattermost/mattermost/server/v8 to 9.8.3Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/mattermost/mattermost/server/v8How to Check if You Are Affected
To determine whether your application is affected by CVE-2024-32939, inspect your project dependencies for Github.com/mattermost/mattermost/server/v8:
inspect dependencies for github.com/mattermost/mattermost/server/v8Analyze the terminal output to locate any version of Github.com/mattermost/mattermost/server/v8 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.9.2), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-312: Cleartext Storage of Sensitive Information, where the product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. In Github.com/mattermost/mattermost/server/v8, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2024-32939 Affected Github.com/mattermost/mattermost/server/v8 Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.9.0
< 9.9.2
|
9.9.2
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.5.0
< 9.5.8
|
9.5.8
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.10.0
< 9.10.1
|
9.10.1
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.8.0
< 9.8.3
|
9.8.3
|
References
Frequently Asked Questions
What is CVE-2024-32939?
Which Github.com/mattermost/mattermost/server/v8 versions are affected?
What version fixes CVE-2024-32939?
Is github.com/mattermost/mattermost/server/v8 affected?
What is the CVSS score of CVE-2024-32939?
What CWE is associated with CVE-2024-32939?
How can I check Go dependencies for CVE-2024-32939?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-4ww8-fprq-cq34",
"modified" : "2024-08-23T21:17:12Z",
"published" : "2024-08-22T09:30:32Z",
"aliases" : [ "CVE-2024-32939" ],
"summary" : "Mattermost doesn't redact remote users' original email addresses",
"details" : "Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}, {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.9.0"
}, {
"fixed" : "9.9.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.5.0"
}, {
"fixed" : "9.5.8"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.10.0"
}, {
"fixed" : "9.10.1"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.8.0"
}, {
"fixed" : "9.8.3"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-32939"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/mattermost/mattermost"
}, {
"type" : "WEB",
"url" : "https://mattermost.com/security-updates"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-284", "CWE-312" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2024-08-23T21:17:12Z",
"nvd_published_at" : "2024-08-22T07:15:03Z"
}
}