Vulnerability Description
A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr. A remote, authenticated attacker could use this flaw to create multiple locks for single inode by using setxattr repetitively resulting in memory exhaustion of glusterfs server node.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gluster | Glusterfs | >= 3.1.0, <= 3.1.2 |
| Redhat | Virtualization Host | 4.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Virtualization | 4.0 |
| Redhat | Enterprise Linux | 7.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2018:3431Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3432Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3470Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660Issue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201904-06Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3431Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3432Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:3470Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660Issue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201904-06Third Party Advisory
FAQ
What is CVE-2018-14660?
CVE-2018-14660 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A flaw was found in glusterfs server through versions 4.1.4 and 3.1.2 which allowed repeated usage of GF_META_LOCK_KEY xattr. A remote, authenticated attacker could use this flaw to create multiple lo...
How severe is CVE-2018-14660?
CVE-2018-14660 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-14660?
Check the references section above for vendor advisories and patch information. Affected products include: Gluster Glusterfs, Redhat Virtualization Host, Redhat Enterprise Linux Server, Redhat Virtualization, Redhat Enterprise Linux.