CVE-2018-14652: Buffer Overflow
First published: Wed Sep 26 2018(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Gluster Storage | >=3.0.0<=3.1.2 | |
| Redhat Gluster Storage | >=4.1.0<=4.1.8 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Redhat Enterprise Virtualization Host | =4.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Virtualization | =4.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2018:3431
- https://access.redhat.com/errata/RHSA-2018:3432
- https://access.redhat.com/errata/RHSA-2018:3470
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14652
- https://lists.debian.org/debian-lts-announce/2018/11/msg00003.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
- https://security.gentoo.org/glsa/201904-06
Frequently Asked Questions
What is CVE-2018-14652?
CVE-2018-14652 is a vulnerability in the Gluster file system that allows a remote authenticated attacker to cause a denial of service via a buffer overflow.
Which software versions are affected by CVE-2018-14652?
Gluster file system versions 3.0.0 to 3.12 and 4.1.0 to 4.1.4 are affected by CVE-2018-14652.
How severe is CVE-2018-14652?
CVE-2018-14652 has a severity score of 6.5 out of 10, which is considered medium severity.
How can an attacker exploit CVE-2018-14652?
An attacker with remote authenticated access can exploit CVE-2018-14652 by causing a buffer overflow through the 'features/index' translator in the Gluster file system, leading to a denial of service.
Is there a fix for CVE-2018-14652?
Yes, a fix for CVE-2018-14652 is available. Please refer to the official references for the respective software versions affected.
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- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2018-14652
- vendor/redhat
- canonical/redhat gluster storage
- version/redhat gluster storage/3.0.0
- version/redhat gluster storage/3.1.2
- version/redhat gluster storage/4.1.0
- version/redhat gluster storage/4.1.8
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0
- canonical/redhat enterprise virtualization host
- version/redhat enterprise virtualization host/4.0
- canonical/redhat enterprise linux server
- version/redhat enterprise linux server/6.0
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- canonical/redhat enterprise linux virtualization
- version/redhat enterprise linux virtualization/4.0