CVE-2018-10911: Integer Overflow
A flaw was found in the way dicunserialize 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.
Other sources
GlusterFS has a deserialization vulnerability in the dict.c:dictunserialize() function due to the improper handling of negative length values. An attacker could exploit via a crafted serialized dictionary to disclose arbitrary memory locations.
— Red Hat
Affected Software
Remediation
Patch Available
Event History
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.