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CVE Vulnerabilities

CVE-2018-14659

Uncontrolled Resource Consumption

Published: Oct 31, 2018 | Modified: Nov 21, 2024
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-14659
CWEhttps://cwe.mitre.org/data/definitions/400.html

The Gluster file system through versions 4.1.4 and 3.1.2 is vulnerable to a denial of service attack via use of the GF_XATTR_IOSTATS_DUMP_KEY xattr. A remote, authenticated attacker could exploit this by mounting a Gluster volume and repeatedly calling setxattr(2) to trigger a state dump and create an arbitrary number of files in the servers runtime directory.

Weakness

The product does not properly control the allocation and maintenance of a limited resource.

Affected Software

NameVendorStart VersionEnd Version
Gluster_file_systemRedhat3.0.0 (including)3.1.2 (including)
Gluster_file_systemRedhat4.1.0 (including)4.1.4 (including)
Native Client for RHEL 6 for Red Hat StorageRedHatglusterfs-0:3.12.2-25.el6*
Native Client for RHEL 7 for Red Hat StorageRedHatglusterfs-0:3.12.2-25.el7*
Red Hat Gluster Storage 3.4 for RHEL 6RedHatglusterfs-0:3.12.2-25.el6rhs*
Red Hat Gluster Storage 3.4 for RHEL 6RedHatredhat-storage-server-0:3.4.1.0-1.el6rhs*
Red Hat Gluster Storage 3.4 for RHEL 7RedHatglusterfs-0:3.12.2-25.el7rhgs*
Red Hat Gluster Storage 3.4 for RHEL 7RedHatredhat-storage-server-0:3.4.1.0-1.el7rhgs*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatglusterfs-0:3.12.2-25.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatimgbased-0:1.0.29-1.el7ev*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-release-virtualization-host-0:4.2-7.3.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-virtualization-host-0:4.2-20181026.0.el7_6*
GlusterfsUbuntubionic*
GlusterfsUbuntucosmic*
GlusterfsUbuntuesm-apps/bionic*
GlusterfsUbuntuesm-apps/xenial*
GlusterfsUbuntuesm-infra-legacy/trusty*
GlusterfsUbuntutrusty*
GlusterfsUbuntutrusty/esm*
GlusterfsUbuntuxenial*

Potential Mitigations

  • Mitigation of resource exhaustion attacks requires that the target system either:

  • The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.

  • The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.

References

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