SB2018103121 - Format string error in Gluster GlusterFS
Published: October 31, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018103121
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Format string error (CVE-ID: CVE-2018-14661)
CWE-ID: CWE-134 - Use of Externally-Controlled Format String
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
It was found that usage of snprintf function in feature/locks translator of glusterfs server 3.8.4, as shipped with Red Hat Gluster Storage, was vulnerable to a format string attack. A remote, authenticated attacker could use this flaw to cause remote denial of service.
Remediation
Install update from vendor's website.
References
- https://access.redhat.com/errata/RHSA-2018:3431
- https://access.redhat.com/errata/RHSA-2018:3432
- https://access.redhat.com/errata/RHSA-2018:3470
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14661
- https://lists.debian.org/debian-lts-announce/2018/11/msg00003.html
- https://security.gentoo.org/glsa/201904-06