CVE-2018-10928 - Improper Link Resolution Before File Access ('Link Following')

Severity

65%

Complexity

80%

Confidentiality

106%

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.

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.

CVSS 3.0 Base Score 8.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P).

Overview

First reported 6 years ago

2018-09-04 15:29:00

Last updated 5 years ago

2019-04-02 07:29:00

Affected Software

Debian Linux 8.0 (Jessie)

8.0

Red Hat Enterprise Linux 6.0

6.0

Red Hat Enterprise Linux (RHEL) 7.0 (7)

7.0

Red Hat Enterprise Linux Server 6.0

6.0

RedHat Enterprise Linux Server 7.0

7.0

Gluster GlusterFS

Red Hat Gluster Storage 3.0

3.0

Red Hat Virtualization Host 4.0

4.0

Red Hat Virtualization 4.0

4.0

References

openSUSE-SU-2020:0079

RHSA-2018:2607

Third Party Advisory

RHSA-2018:2608

Third Party Advisory

RHSA-2018:3470

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10928

Issue Tracking, Patch, Third Party Advisory

[debian-lts-announce] 20180920 [SECURITY] [DLA 1510-1] glusterfs security update

Mailing List, Third Party Advisory

GLSA-201904-06

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