Vulnerability Details : CVE-2022-31131
Potential exploit
Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to mail attachments. Attachments may have been exposed to incorrect system users. It is recommended that the Nextcloud Mail app is upgraded to 1.12.2. There are no known workarounds for this issue. ### Workarounds No workaround available ### References * [Pull request](https://github.com/nextcloud/mail/pull/6600) * [HackerOne](https://hackerone.com/reports/1579820) ### For more information If you have any questions or comments about this advisory: * Create a post in [nextcloud/security-advisories](https://github.com/nextcloud/security-advisories/discussions) * Customers: Open a support ticket at [support.nextcloud.com](https://support.nextcloud.com)
Vulnerability category: BypassGain privilege
Products affected by CVE-2022-31131
- cpe:2.3:a:nextcloud:nextcloud_mail:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31131
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31131
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
GitHub, Inc. |
CWE ids for CVE-2022-31131
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: security-advisories@github.com (Secondary)
-
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-31131
-
https://github.com/nextcloud/mail/pull/6600
Update phpdoc for local attachment and outbox by kesselb · Pull Request #6600 · nextcloud/mail · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605
Update phpdoc for local attachment and outbox by kesselb · Pull Request #6600 · nextcloud/mail · GitHubPatch;Third Party Advisory
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299j
Ownership check missing when updating or deleting mail attachments · Advisory · nextcloud/security-advisories · GitHubExploit;Issue Tracking;Third Party Advisory
Jump to