CVE-2024-39832: Github.com/mattermost/mattermost/server/v8 Mattermost Allows A Remote Actor Vulnerability
MODERATECVE-2024-39832 is a MODERATE (CVSS 6.8) mattermost allows a remote actor vulnerability (CWE-754: Improper Check for Unusual or Exceptional Conditions) affecting Github.com/mattermost/mattermost/server/v8 libraries in the Go ecosystem. The issue involves mattermost allows a remote actor to permanently delete local data by abusing dangerous error handling. Remediation is available by upgrading affected packages to version 9.5.7, 9.7.6, 9.8.2, 9.9.1.
CVE-2024-39832 at a Glance
Security Impact
CVSS: 6.8
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H).
How to Fix CVE-2024-39832
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 9.5.7Upgrade github.com/mattermost/mattermost/server/v8 to 9.7.6Upgrade github.com/mattermost/mattermost/server/v8 to 9.8.2Upgrade github.com/mattermost/mattermost/server/v8 to 9.9.1Run 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-2024-39832, 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 9.5.7), 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-754: Improper Check for Unusual or Exceptional Conditions, where the product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. 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-2024-39832 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 |
≥ 9.5.0
< 9.5.7
|
9.5.7
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.7.0
< 9.7.6
|
9.7.6
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.8.0
< 9.8.2
|
9.8.2
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
≥ 9.9.0
< 9.9.1
All 1 versions
9.9.0
|
9.9.1
|
References
Frequently Asked Questions
What is CVE-2024-39832?
Which Github.com/mattermost/mattermost/server/v8 versions are affected?
What version fixes CVE-2024-39832?
Is github.com/mattermost/mattermost/server/v8 affected?
What is the CVSS score of CVE-2024-39832?
What CWE is associated with CVE-2024-39832?
How can I check Go dependencies for CVE-2024-39832?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-762m-4cx6-6mf4",
"modified" : "2024-08-07T19:33:54Z",
"published" : "2024-08-01T15:32:23Z",
"aliases" : [ "CVE-2024-39832" ],
"summary" : "Mattermost allows a remote actor to permanently delete local data by abusing dangerous error handling",
"details" : "Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly safeguard an error handling which allows a malicious remote to permanently delete local data by abusing dangerous error handling, when share channels were enabled.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H"
}, {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.5.0"
}, {
"fixed" : "9.5.7"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.7.0"
}, {
"fixed" : "9.7.6"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.8.0"
}, {
"fixed" : "9.8.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/mattermost/mattermost/server/v8"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.9.0"
}, {
"fixed" : "9.9.1"
} ]
} ],
"versions" : [ "9.9.0" ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-39832"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/mattermost/mattermost"
}, {
"type" : "WEB",
"url" : "https://mattermost.com/security-updates"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2024-3020"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-754" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2024-08-01T23:07:42Z",
"nvd_published_at" : "2024-08-01T15:15:12Z"
}
}