Configuration in Nextcloud Server - CVE-2009-1072

 

Configuration in Nextcloud Server - CVE-2009-1072

Published: March 25, 2009 / Updated: September 3, 2020


Vulnerability identifier: #VU46240
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-1072
CWE-ID: CWE-16
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to manipulate data.

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.


Affected software

Nextcloud Server
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2009-1072

Install update from vendor's website.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-54.77
linux (Ubuntu package) - addressed in versions 2.6.24-24.55, 2.6.27-14.35, 2.6.28-13.45

External References

Related Security Bulletins