Privilege Escalation Flaw in Gluster 3.x Snapshot Scheduler by Red Hat
CVE-2018-1088

8.1HIGH

Key Information:

Vendor

Red Hat
Status
Glusterfs
Vendor
CVE Published:
18 April 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-1088?

A vulnerability exists in Gluster 3.x snapshot scheduler that allows an unauthorized gluster client to mount shared gluster storage volumes. By exploiting this flaw, an attacker can escalate privileges by scheduling malicious cron jobs through symbolic links, potentially compromising the security of the storage environment and allowing unauthorized access to sensitive data.

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Deploy the Patch

Affected Version(s)

glusterfs 3.x

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

GEVAUDAN
Created by MauroEldritch

References

https://access.redhat.com/errata/RHSA-2018:1137
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:1275
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:1524
vendor-advisoryx_refsource_REDHAT

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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