CVE-2018-10926: Input Validation
First published: Tue Aug 07 2018(Updated: )
A flaw was found in RPC request using gfs3_mknod_req supported by glusterfs server. An authenticated attacker could use this flaw to write files to an arbitrary location via path traversal and execute arbitrary code on a glusterfs server node.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Virtualization Host | =4.0 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Redhat Enterprise Linux | =6.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Gluster GlusterFS | >=3.12<3.12.14 | |
| Gluster GlusterFS | >=4.1<4.1.8 | |
| openSUSE Leap | =15.1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00035.html
- https://access.redhat.com/errata/RHSA-2018:2607
- https://access.redhat.com/errata/RHSA-2018:2608
- https://access.redhat.com/errata/RHSA-2018:3470
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10926
- https://lists.debian.org/debian-lts-announce/2018/09/msg00021.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-2018-10926?
CVE-2018-10926 is a vulnerability in the glusterfs server that allows an authenticated attacker to write files to an arbitrary location and execute arbitrary code.
Which software versions are affected by CVE-2018-10926?
GlusterFS versions up to 3.12.14 and 4.1.4 are affected by CVE-2018-10926. Redhat Enterprise Linux 6.0, 7.0, and 7.0 servers, and Redhat Virtualization Host 4.0 are also affected.
How severe is the vulnerability CVE-2018-10926?
CVE-2018-10926 has a severity score of 8.8, which is considered high.
What is the Common Weakness Enumeration (CWE) ID for CVE-2018-10926?
The Common Weakness Enumeration (CWE) IDs for CVE-2018-10926 are CWE-22 and CWE-20.
How can I fix CVE-2018-10926?
To fix CVE-2018-10926, it is recommended to update GlusterFS to version 3.12.14 or 4.1.4, or apply the appropriate patches provided by Redhat. Additionally, ensure that the system is running the latest security updates.
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