CVE-2018-10928

HIGHCVSS 8.8/10EPSS 2.70%

Last modified

CVE-2018-10928 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point to file paths outside of the gluster volume. An authenticated attacker could use this flaw to create arbitrary symlinks pointing anywhere on the server and execute arbitrary code on glusterfs server nodes.. EPSS estimates a 2.70% chance of exploitation in the next 30 days.

Description

A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point to file paths outside of the gluster volume. An authenticated attacker could use this flaw to create arbitrary symlinks pointing anywhere on the server and execute arbitrary code on glusterfs server nodes.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.70%

84.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianDebian Linux8.0
DebianDebian Linux9.0
RedhatEnterprise Linux6.0
RedhatEnterprise Linux7.0
RedhatEnterprise Linux Server6.0
RedhatEnterprise Linux Server7.0
GlusterGlusterfs>= 3.12, < 3.12.14
GlusterGlusterfs>= 4.1, < 4.1.8
RedhatGluster Storage3.0
RedhatVirtualization Host4.0
OpensuseLeap15.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-10928?
A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point to file paths outside of the gluster volume. An authenticated attacker could use this flaw to create arbitrary symlinks pointing anywhere on the server and execute arbitrary code on glusterfs server nodes.
How severe is CVE-2018-10928?
CVE-2018-10928 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.70% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10928?
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.

Are you affected by CVE-2018-10928?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST