CVE-2018-10911: Integer Overflow
First published: Tue Jul 17 2018(Updated: )
A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gluster GlusterFS | >=3.12.0<3.12.14 | |
| Gluster GlusterFS | >=4.1.0<4.1.8 | |
| Redhat Virtualization Host | =4.0 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =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-2018:2892
- https://access.redhat.com/errata/RHSA-2018:3242
- https://access.redhat.com/errata/RHSA-2018:3470
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10911
- 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/+/21067/
- 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=1625079
- https://review.gluster.org/21067
- https://bugzilla.redhat.com/show_bug.cgi?id=1601657
Frequently Asked Questions
What is the vulnerability ID of this flaw?
The vulnerability ID of this flaw is CVE-2018-10911.
What is the severity of CVE-2018-10911?
The severity of CVE-2018-10911 is high with a severity value of 7.5.
What is the affected software of CVE-2018-10911?
The affected software of CVE-2018-10911 is GlusterFS version 3.12.14 and 4.1.4, as well as Redhat Virtualization Host and various versions of Redhat Enterprise Linux, Debian Linux, and openSUSE Leap.
What is the description of CVE-2018-10911?
CVE-2018-10911 is a flaw in the dic_unserialize function of GlusterFS that allows an attacker to read memory from other locations into the stored dict value.
How can this vulnerability be fixed?
To fix CVE-2018-10911, users should update their GlusterFS installation to version 3.12.15 or 4.1.5 or apply the necessary patches provided by the vendor.
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