CVE-2018-10907: Buffer Overflow
First published: Tue Jul 17 2018(Updated: )
It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'. An authenticated attacker could exploit this by mounting a gluster volume and sending a string longer that the fixed buffer size to cause crash or potential code execution.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gluster GlusterFS | >=3.12.0<3.12.14 | |
| Gluster GlusterFS | >=4.1.0<4.1.4 | |
| Redhat Virtualization Host | =4.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| 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-2018-10907
- https://lists.debian.org/debian-lts-announce/2018/09/msg00021.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
- https://review.gluster.org/#/c/glusterfs/+/21070/
- https://security.gentoo.org/glsa/201904-06
- https://access.redhat.com/security/updates/classification/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1625080
- https://review.gluster.org/21070
- https://bugzilla.redhat.com/show_bug.cgi?id=1601642
Frequently Asked Questions
What is CVE-2018-10907?
CVE-2018-10907 is a vulnerability found in the glusterfs server that allows an authenticated attacker to exploit stack-based buffer overflows.
How can an attacker exploit CVE-2018-10907?
An attacker can exploit CVE-2018-10907 by mounting a gluster volume and sending a string longer than the fixed buffer size.
What is the severity of CVE-2018-10907?
The severity of CVE-2018-10907 is rated as high with a CVSS score of 8.8.
Which versions of glusterfs are affected by CVE-2018-10907?
The versions affected by CVE-2018-10907 are 3.12.0 up to but excluding 3.12.14, and 4.1.0 up to but excluding 4.1.4.
How can I fix CVE-2018-10907?
To fix CVE-2018-10907, update glusterfs to version 3.12.14 or 4.1.4 depending on the affected version.
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