Multiple Inode Lock Vulnerability in GlusterFS by Red Hat
CVE-2018-14660

6.5MEDIUM

Key Information:

Vendor

[unknown]

Status
Glusterfs
Vendor
CVE Published:
1 November 2018

What is CVE-2018-14660?

A vulnerability has been identified in GlusterFS affecting versions 3.1.2 and 4.1.4. This issue arises from the improper handling of GF_META_LOCK_KEY extended attributes which allows an authenticated remote attacker to execute repeated setxattr operations. By exploiting this flaw, the attacker can create multiple locks for a single inode, leading to potential memory exhaustion of the GlusterFS server node. This could severely impact the performance and availability of the server.

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Affected Version(s)

glusterfs affected versions through 4.1.4

glusterfs affected versions through 3.1.2

References

https://access.redhat.com/errata/RHSA-2018:3431
vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14660
x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:3432
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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