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CVE-2018-1000028

UnknownEPSS 1.41%

Last modified

CVE-2018-1000028 is a vulnerability of currently unknown severity. Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

Metrics

EPSS Probability
1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 4.4.111, <= 4.4.119—
LinuxLinux Kernel>= 4.9.76, <= 4.9.85—
LinuxLinux Kernel>= 4.14.8, <= 4.14.23—
LinuxLinux Kernel>= 4.15.1, <= 4.15.7—
LinuxLinux Kernel4.15Rc4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1000028?
Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.
How severe is CVE-2018-1000028?
Severity scoring for CVE-2018-1000028 is pending analysis. The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1000028?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST