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GHSA-g75c-cjr6-39mc

CriticalCVSS 9.9 / 10
Published Jun 20, 2023·Last modified Nov 8, 2023
Affected Components(0)

No affected components available

Description

Impact

Mail.MailConfig can be edited by any logged-in user by default. Consequently, they can:

  • change the mail obfuscation configuration
  • view and edit the mail sending configuration, including the smtp domain name and credentials.

Patches

The problem has been patched on XWiki 14.4.8, 15.1, and 14.10.6.

Workarounds

The rights of the Mail.MailConfig page can be manually updated so that only a set of trusted users can view, edit and delete it (e.g., the XWiki.XWikiAdminGroup group). On 14.4.8+, 15.1-rc-1+, or 14.10.5+, if at startup Mail.MailConfig does not have any rights defined, view, edit and delete rights are automatically granted to the XWiki.XWikiAdminGroup group. See the corresponding patch.

References

  • https://jira.xwiki.org/browse/XWIKI-20519 + https://jira.xwiki.org/browse/XWIKI-20671
  • https://github.com/xwiki/xwiki-platform/commit/d28d7739089e1ae8961257d9da7135d1a01cb7d4
  • https://github.com/xwiki/xwiki-platform/commit/8910b8857d3442d2e8142f655fdc0512930354d1

For more information

If you have any questions or comments about this advisory:

Risk Scores
Base Score
9.9

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
9.1

Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.

EPSS
0.85%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Critical severity
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