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GitHub Advisory DatabaseGHSA-HWJF-4667-GQWX

HistoryFeb 29, 2024 - 12:31 p.m.

Mattermost allows attackers access to posts in channels they are not a member of

2024-02-2912:31:06

CWE-284

GitHub Advisory Database

github.com

mattermost

vulnerability

unauthorized access

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.

Affected configurations

Vulners

Node

github.com\/mattermost\/mattermostserverRange<8.1.9

github.com\/mattermost\/mattermostserverRange<9.2.5

github.com\/mattermost\/mattermostserverRange<9.3.1

CPENameOperatorVersion
github.com/mattermost/mattermost/server/v8lt8.1.9
github.com/mattermost/mattermost/server/v8lt9.2.5
github.com/mattermost/mattermost/server/v8lt9.3.1

Name	Operator	Version
github.com/mattermost/mattermost/server/v8	lt	8.1.9
github.com/mattermost/mattermost/server/v8	lt	9.2.5
github.com/mattermost/mattermost/server/v8	lt	9.3.1

References

github.com/advisories/GHSA-hwjf-4667-gqwx

mattermost.com/security-updates

nvd.nist.gov/vuln/detail/CVE-2024-1942

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

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