Link following in Red Hat glusterfs
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
A flaw was found in RPC request using gfs3_symlink_req in glusterfs server which allows symlink destinations to point to file paths outside of the gluster volume. An authenticated attacker could use this flaw to create arbitrary symlinks pointing anywhere on the server and execute arbitrary code on glusterfs server nodes.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | glusterfs | all versions | — | No fix listed | CNA |
- glusterfs VendorRed Hat Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:a:gluster:glusterfs:*:*:*:*:*:*:*:* | 3.12 to before 3.12.14; 4.1 to before 4.1.8 | Vulnerable | Gluster |
| cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Red Hat |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | openSUSE |
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:a:gluster:glusterfs:*:*:*:*:*:*:*:* Versions 3.12 to before 3.12.14; 4.1 to before 4.1.8 Vulnerable ·Gluster
- cpe:2.3:a:redhat:gluster_storage:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
Remediation
Red Hat 3 advisories
- RHSA-2018:3470 Released 2018-11-05 · Red Hat rating ModerateRed Hat Virtualization security and bug fix update
- RHEL 7-based RHEV-H for RHEV 4 (build requirements) imgbased-1.0.29-1.el7ev, python-imgbased-1.0.29-1.el7ev, redhat-release-virtualization-host-4.2-7.3.el7 +1
- Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host-4.2-20181026.0.el7_6, redhat-virtualization-host-image-update-4.2-20181026.0.el7_6
- RHSA-2018:2608 Released 2018-09-04 · Red Hat rating ImportantRed Hat Gluster Storage security, bug fix, and enhancement update
- Red Hat Gluster Storage Server 3.4 on RHEL-6 glusterfs-3.12.2-18.el6rhs, glusterfs-api-3.12.2-18.el6rhs, glusterfs-api-devel-3.12.2-18.el6rhs +13
- Red Hat Storage Native Client for Red Hat Enterprise Linux 6 glusterfs-3.12.2-18.el6, glusterfs-api-3.12.2-18.el6, glusterfs-api-devel-3.12.2-18.el6 +7
- RHSA-2018:2607 Released 2018-09-04 · Red Hat rating ImportantRed Hat Gluster Storage security, bug fix, and enhancement update
- Red Hat Gluster Storage Server 3.4 on RHEL-7 glusterfs-3.12.2-18.el7rhgs, glusterfs-api-3.12.2-18.el7rhgs, glusterfs-api-devel-3.12.2-18.el7rhgs +14
- Red Hat Storage Native Client for Red Hat Enterprise Linux 7 glusterfs-3.12.2-18.el7, glusterfs-api-3.12.2-18.el7, glusterfs-api-devel-3.12.2-18.el7 +7
- Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts glusterfs-3.12.2-18.el7, glusterfs-api-3.12.2-18.el7, glusterfs-api-devel-3.12.2-18.el7 +6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat glusterfs — RHSA-2018:2607
10 records Highest priority Priority MEDIUM 6 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2018-07741 Improper input validation in Red Hat glusterfsPriority MEDIUM 44
- TI-2018-07720 Stack-based buffer overflow in Red Hat glusterfsPriority MEDIUM 44
- TI-2018-07717 Untrusted search path in Red Hat glusterfsPriority MEDIUM 44
- Advisory ·
Red Hat glusterfs — RHSA-2018:2608
10 records Highest priority Priority MEDIUM 6 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2018-07741 Improper input validation in Red Hat glusterfsPriority MEDIUM 44
- TI-2018-07720 Stack-based buffer overflow in Red Hat glusterfsPriority MEDIUM 44
- TI-2018-07717 Untrusted search path in Red Hat glusterfsPriority MEDIUM 44
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL 7-based RHEV-H for RHEV 4 (build requirements) | Fixed | RHSA-2018:3470 |
| Red Hat Gluster Storage Server 3.4 on RHEL-6 | Fixed | RHSA-2018:2608 |
| Red Hat Gluster Storage Server 3.4 on RHEL-7 | Fixed | RHSA-2018:2607 |
| Red Hat Storage Native Client for Red Hat Enterprise Linux 6 | Fixed | RHSA-2018:2608 |
| Red Hat Storage Native Client for Red Hat Enterprise Linux 7 | Fixed | RHSA-2018:2607 |
| Red Hat Virtualization 4 Hypervisor for RHEL 7 | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts | Fixed | RHSA-2018:2607 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10928
- 2026-10-03 Alias added: GHSA-884c-j6hw-f37p
References
More Red Hat Enterprise Linux vulnerabilities
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2018-10928 · CVE Program
- CVE-2018-10928 · NVD
- FIRST EPSS
- GHSA-884c-j6hw-f37p · GitHub Advisory Database · CC BY 4.0
- CVE-2018-10928 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences