CVE-2022-3979

Public Exploit
NagVis CoreLogonMultisite.php checkAuthCookie type conversion

Description

A vulnerability was found in NagVis up to 1.9.33 and classified as problematic. This issue affects the function checkAuthCookie of the file share/server/core/classes/CoreLogonMultisite.php. The manipulation of the argument hash leads to incorrect type conversion. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. Upgrading to version 1.9.34 is able to address this issue. The identifier of the patch is 7574fd8a2903282c2e0d1feef5c4876763db21d5. It is recommended to upgrade the affected component. The identifier VDB-213557 was assigned to this vulnerability.

Category

5.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory vuldb.com
Affected: n/a NagVis
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.213557 third party advisory vdb entry permissions required technical description
https://vuldb.com/?ctiid.213557 signature permissions required
https://github.com/NagVis/nagvis/commit/7574fd8a2903282c2e0d1feef5c4876763db21d5 patch
https://github.com/NagVis/nagvis/releases/tag/nagvis-1.9.34 patch release notes
https://www.sonarsource.com/blog/checkmk-rce-chain-2/ exploit related

Frequently Asked Questions

What is the severity of CVE-2022-3979?
CVE-2022-3979 has been scored as a medium severity vulnerability.
How to fix CVE-2022-3979?
To fix CVE-2022-3979, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-3979 being actively exploited in the wild?
It is possible that CVE-2022-3979 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-3979?
CVE-2022-3979 affects n/a NagVis.
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