RHSA-2018_2745
Vulnerability from csaf_redhat - Published: 2018-09-26 18:36 - Updated: 2024-11-22 12:11Summary
Red Hat Security Advisory: CloudForms 4.5.5 security, bug fix and enhancement update
Severity
Important
Notes
Topic: An update is now available for CloudForms Management Engine 5.8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat CloudForms Management Engine delivers the insight, control, and automation needed to address the challenges of managing virtual environments. CloudForms Management Engine is built on Ruby on Rails, a model-view-controller (MVC) framework for web application development.
Security Fix(es):
* rubygem-sprockets: Path traversal in forbidden_request?() can allow remote attackers to read arbitrary files (CVE-2018-3760)
* cfme: Improper access control in dRuby allows local users to execute arbitrary commands as root (CVE-2018-10905)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Stephen Gappinger (American Express) for reporting CVE-2018-10905.
Additional Changes:
This update fixes various bugs and adds enhancements. Documentation for these changes is available from the Release Notes document.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
There is an information leak vulnerability in Sprockets. Versions Affected: 4.0.0.beta7 and lower, 3.7.1 and lower, 2.12.4 and lower. Specially crafted requests can be used to access files that exists on the filesystem that is outside an application's root directory, when the Sprockets server is used in production. All users running an affected release should either upgrade or use one of the work arounds immediately.
7.5 (High)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:2745
Workaround
Ensure config.assets.compile = false in production.rb.
CloudForms Management Engine has a vulnerability that allows local users to execute arbitrary commands as root. An attacker with SSH access to the system can use the dRuby (DRb) module installed on the system to execute arbitrary shell commands using `instance_eval()`.
7.8 (High)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:2745
Workaround
Administrators of the CloudForms appliance can filter local packages going to the port where MIQ Server is listening, by using the following iptables command:
# iptables -I OUTPUT 1 -o lo -d localhost/32 -p tcp -m tcp --dport <MIQ Server port> -m owner '!' --uid-owner root -j DROP
Where the MIQ Server port can be found using netstat command:
# netstat -nl --tcp -p | grep -i "miq server"
References
Acknowledgments
American Express
Stephen Gappinger
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{
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},
"vulnerabilities": [
{
"cve": "CVE-2018-3760",
"cwe": {
"id": "CWE-22",
"name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
},
"discovery_date": "2018-06-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1593058"
}
],
"notes": [
{
"category": "description",
"text": "There is an information leak vulnerability in Sprockets. Versions Affected: 4.0.0.beta7 and lower, 3.7.1 and lower, 2.12.4 and lower. Specially crafted requests can be used to access files that exists on the filesystem that is outside an application\u0027s root directory, when the Sprockets server is used in production. All users running an affected release should either upgrade or use one of the work arounds immediately.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "rubygem-sprockets: Path traversal in forbidden_request?() can allow remote attackers to read arbitrary files",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
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},
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"category": "external",
"summary": "RHBZ#1593058",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1593058"
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},
{
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},
{
"category": "external",
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},
{
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}
],
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{
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"date": "2018-09-26T18:36:57+00:00",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2018:2745"
},
{
"category": "workaround",
"details": "Ensure config.assets.compile = false in production.rb.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
},
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],
"title": "rubygem-sprockets: Path traversal in forbidden_request?() can allow remote attackers to read arbitrary files"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "American Express"
}
],
"cve": "CVE-2018-10905",
"cwe": {
"id": "CWE-284",
"name": "Improper Access Control"
},
"discovery_date": "2018-07-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1602190"
}
],
"notes": [
{
"category": "description",
"text": "CloudForms Management Engine has a vulnerability that allows local users to execute arbitrary commands as root. An attacker with SSH access to the system can use the dRuby (DRb) module installed on the system to execute arbitrary shell commands using `instance_eval()`.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "cfme: Improper access control in dRuby allows local users to execute arbitrary commands as root",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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}
],
"release_date": "2018-07-20T19:54:00+00:00",
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},
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},
{
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "cfme: Improper access control in dRuby allows local users to execute arbitrary commands as root"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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