CVE-2018-10911
A flaw was found in dict.c:dict_unserialize function of glusterfs, dic_unserialize function does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.
Find out more about CVE-2018-10911 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This flaw affects glusterfs versions included in Red Hat Virtualization 4 Hypervisor. However, in recommended configurations, the vulnerability is only exposed to hypervisor administrators and can not be exploited from virtual machines or other hosts on the network. For Red Hat Virtualization, Product Security has rated this flaw as Moderate. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
CVSS v3 metrics
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | None |
| Availability Impact | None |
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (glusterfs) | RHSA-2018:2892 | 2018-10-09 |
| Red Hat Gluster Storage 3.4 for RHEL 6 (glusterfs) | RHSA-2018:2608 | 2018-09-04 |
| Red Hat Enterprise Linux 7 (glusterfs) | RHSA-2018:3242 | 2018-10-30 |
| Red Hat Storage Native Client for Red Hat Enterprise Linux 6 (glusterfs) | RHSA-2018:2608 | 2018-09-04 |
| Red Hat Storage Native Client for Red Hat Enterprise Linux 7 (glusterfs) | RHSA-2018:2607 | 2018-09-04 |
| Red Hat Gluster Storage 3.4 for RHEL 7 (glusterfs) | RHSA-2018:2607 | 2018-09-04 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Virtualization 4 | glusterfs | Affected |