Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-10874

Untrusted Search Path

Published: Jul 02, 2018 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
7.8 MODERATE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-10874
CWEhttps://cwe.mitre.org/data/definitions/426.html

In ansible it was found that inventory variables are loaded from current working directory when running ad-hoc command which are under attackers control, allowing to run arbitrary code as a result.

Weakness

The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product’s direct control.

Affected Software

NameVendorStart VersionEnd Version
Ansible_engineRedhat2.0 (including)2.0 (including)
Ansible_engineRedhat2.4 (including)2.4 (including)
Ansible_engineRedhat2.5 (including)2.5 (including)
Ansible_engineRedhat2.6 (including)2.6 (including)
OpenstackRedhat10 (including)10 (including)
OpenstackRedhat12 (including)12 (including)
OpenstackRedhat13 (including)13 (including)
VirtualizationRedhat4.0 (including)4.0 (including)
Virtualization_hostRedhat4.0 (including)4.0 (including)
Red Hat Ansible Engine 2.4 for RHEL 7RedHatansible-0:2.4.6.0-1.el7ae*
Red Hat Ansible Engine 2.5 for RHEL 7RedHatansible-0:2.5.6-1.el7ae*
Red Hat Ansible Engine 2.6 for RHEL 7RedHatansible-0:2.6.1-1.el7ae*
Red Hat Ansible Engine 2 for RHEL 7RedHatansible-0:2.6.1-1.el7ae*
Red Hat OpenStack Platform 10.0 (Newton)RedHatansible-0:2.4.6.0-1.el7ae*
Red Hat OpenStack Platform 12.0 (Pike)RedHatansible-0:2.4.6.0-1.el7ae*
Red Hat OpenStack Platform 12.0 (Pike)RedHatansible-role-redhat-subscription-0:1.0.1-4.el7ost*
Red Hat OpenStack Platform 13.0 (Queens)RedHatansible-0:2.4.6.0-1.el7ae*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatimgbased-0:1.0.22-1.el7ev*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-release-virtualization-host-0:4.2-5.0.el7*
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7RedHatredhat-virtualization-host-0:4.2-20180724.0*
AnsibleUbuntuartful*
AnsibleUbuntubionic*
AnsibleUbuntuesm-apps/bionic*
AnsibleUbuntutrusty*
AnsibleUbuntutrusty/esm*
AnsibleUbuntuupstream*

Extended Description

This might allow attackers to execute their own programs, access unauthorized data files, or modify configuration in unexpected ways. If the product uses a search path to locate critical resources such as programs, then an attacker could modify that search path to point to a malicious program, which the targeted product would then execute. The problem extends to any type of critical resource that the product trusts. Some of the most common variants of untrusted search path are:

Potential Mitigations

References

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