Medium severity · published Oct 27, 2022
CVE-2022-39364
Exception logging in Sharepoint app reveals clear-text connection details
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server prior to versions 22.2.10.5, 23.0.9, and 24.0.5 an attacker reading `nextcloud.log` may gain knowledge of credentials to connect to a SharePoint service. Nextcloud Server versions 23.0.9 and 24.0.5 and Nextcloud Enterprise Server versions 22.2.10.5, 23.0.9, and 24.0.5 contain a patch for this issue. As a workaround, set `zend.exception_ignore_args = On` as an option in `php.ini`.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
< 22.2.10.5; >= 23.0.0, < 23.0.9; >= 24.0.0, < 24.0.5 · source: vendor
NE
Nextcloud Enterprise Server · Nextcloud
before 22.2.10.5; 23.0.0 before 23.0.9; 24.0.0 before 24.0.5 · source: NVD
NS
Nextcloud Server · Nextcloud
before 23.0.9; 24.0.0 before 24.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39364
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39364
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpf5-jj85-36h5
Patch
https://github.com/nextcloud/server/pull/33689
Exploit
https://github.com/nextcloud/sharepoint/issues/141
Permissions Required
https://hackerone.com/reports/1652903
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