CVE-2018-1128 Auth bypass in ceph

What is CVE-2018-1128?

CVE-2018-1128 is a high-severity authentication bypass vulnerability in Debian Debian Linux, published on 10 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-287, CWE-294

Which versions are affected by CVE-2018-1128?

It affects 10 products.

Products include Debian Debian Linux, Opensuse Leap, Redhat Ceph, Redhat Ceph Storage, Redhat Ceph Storage Mon, Redhat Ceph Storage Osd and 4 more.

How do I fix CVE-2018-1128?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-1128 being exploited?

There is no known exploitation of CVE-2018-1128 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-1128, GHSA-xw3f-9qfw-v43f, UBUNTU-CVE-2018-1128.