RHSA-2016:2596
Vulnerability from csaf_redhat - Published: 2016-11-03 08:11 - Updated: 2026-05-13 01:46Summary
Red Hat Security Advisory: pcs security, bug fix, and enhancement update
Severity
Moderate
Notes
Topic: An update for pcs is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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: The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.
The following packages have been upgraded to a newer upstream version: pcs (0.9.152). (BZ#1299847)
Security Fix(es):
* A Cross-Site Request Forgery (CSRF) flaw was found in the pcsd web UI. A remote attacker could provide a specially crafted web page that, when visited by a user with a valid pcsd session, would allow the attacker to trigger requests on behalf of the user, for example removing resources or restarting/removing nodes. (CVE-2016-0720)
* It was found that pcsd did not invalidate cookies on the server side when a user logged out. This could potentially allow an attacker to perform session fixation attacks on pcsd. (CVE-2016-0721)
These issues were discovered by Martin Prpic (Red Hat Product Security).
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.
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.
A Cross-Site Request Forgery (CSRF) flaw was found in the pcsd web UI. A remote attacker could provide a specially crafted web page that, when visited by a user with a valid pcsd session, would allow the attacker to trigger requests on behalf of the user, for example removing resources or restarting/removing nodes.
4.3 ()
Affected products
Fixed
10 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-HighAvailability:pcs-0:0.9.152-10.el7.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
It was found that pcsd did not invalidate cookies on the server side when a user logged out. This could potentially allow an attacker to perform session fixation attacks on pcsd.
4.3 ()
Affected products
Fixed
10 products, the same list as for
CVE-2016-0720
Threats
Impact
Moderate
References
54 references
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"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2016-0720"
},
{
"category": "external",
"summary": "RHBZ#1299614",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299614"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2016-0720",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-0720"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-0720",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0720"
}
],
"release_date": "2016-02-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2016-11-03T08:11:34+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.src",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2016:2596"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"products": [
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.src",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "pcs: Cross-Site Request Forgery in web UI"
},
{
"acknowledgments": [
{
"names": [
"Martin Prpic"
],
"organization": "Red Hat Product Security",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2016-0721",
"cwe": {
"id": "CWE-613",
"name": "Insufficient Session Expiration"
},
"discovery_date": "2016-01-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1299615"
}
],
"notes": [
{
"category": "description",
"text": "It was found that pcsd did not invalidate cookies on the server side when a user logged out. This could potentially allow an attacker to perform session fixation attacks on pcsd.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "pcs: cookies are not invalidated upon logout",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is not currently planned to be addressed in future updates of Red Hat Enterprise Linux 6, as the web UI functionality is disabled by default in pcsd.",
"title": "Statement"
},
{
"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": {
"fixed": [
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.src",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2016-0721"
},
{
"category": "external",
"summary": "RHBZ#1299615",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299615"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2016-0721",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-0721"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-0721",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0721"
}
],
"release_date": "2016-02-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2016-11-03T08:11:34+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
"product_ids": [
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.src",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2016:2596"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"products": [
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.src",
"7Server-HighAvailability:pcs-0:0.9.152-10.el7.x86_64",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-HighAvailability:pcs-debuginfo-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.src",
"7Server-ResilientStorage:pcs-0:0.9.152-10.el7.x86_64",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.s390x",
"7Server-ResilientStorage:pcs-debuginfo-0:0.9.152-10.el7.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "pcs: cookies are not invalidated upon logout"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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