CVE-2018-14652 Memory corruption in glusterfs

What is CVE-2018-14652?

CVE-2018-14652 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 31 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Gluster file system through versions 3.12 and 4.1.4 is vulnerable to a buffer overflow in the 'features/index' translator via the code handling the 'GF_XATTR_CLRLK_CMD' xattr in the 'pl_getxattr' function. A remote authenticated attacker could exploit this on a mounted volume to cause a denial of service.

Weakness: CWE-119, CWE-120

Which versions are affected by CVE-2018-14652?

It affects 5 products.

Products include Debian Debian Linux, Redhat Enterprise Linux Server, Redhat Enterprise Linux Virtualization, Redhat Enterprise Virtualization Host, Redhat Gluster Storage.

How do I fix CVE-2018-14652?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-14652 being exploited?

There is no known exploitation of CVE-2018-14652 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-2018-14652, GHSA-qg95-5vw5-jwjv, UBUNTU-CVE-2018-14652.