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Authentication Bypass Affecting ceph-fuse package, versions <2:12.2.4-30.el7cp

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-RHEL7-CEPHFUSE-4434203
  • published26 Jul 2021
  • disclosed9 Jul 2018
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Introduced: 9 Jul 2018

CVE-2018-1128  (opens in a new tab)
CWE-294  (opens in a new tab)

How to fix?

Upgrade RHEL:7 ceph-fuse to version 2:12.2.4-30.el7cp or higher.
This issue was patched in RHSA-2018:2177.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ceph-fuse package and not the ceph-fuse package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.