Vulnerability-Lookup

RHSA-2017:0549

Vulnerability from csaf_redhat - Published: 2017-03-16 15:26 - Updated: 2026-11-05 06:17

Summary

Red Hat Security Advisory: redhat-virtualization-host security and bug fix update

Severity

Moderate

Notes

Topic: An update for imgbased, redhat-release-virtualization-host, and redhat-virtualization-host is now available for RHEV 4.X, RHEV-H, and Agents for RHEL-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 redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.0), imgbased (0.8.16), redhat-virtualization-host (4.0). (BZ#1410848, BZ#1430244) Security Fix(es): * A vulnerability was discovered in SPICE in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution. (CVE-2016-9577) * A vulnerability was discovered in SPICE in the server's protocol handling. An attacker able to connect to the SPICE server could send crafted messages which would cause the process to crash. (CVE-2016-9578) These issues were discovered by Frediano Ziglio (Red Hat). Bug Fix(es): * Previously, imgbased blindly copied /etc from old layers into new layers in order to keep configuration changes between upgrades. This meant that imgbased's behavior differed from RPM, in that unmodified configuration files would be preserved across imgbased upgrades whereas 'yum upgrade' of the same packages would have replaced them. Now, imgbased compares the sums of files to the originals kept per-layer in /usr/share/factory/etc so that unmodified configuration files are now handled appropriately. (BZ#1418179) * Previously, some earlier versions of Red Hat Virtualization Host (RHVH) repeatedly prompted for upgrades, even when the most recent version was already installed. This was caused by the RHVH image containing a placeholder package that was made obsolete in order to upgrade. However, the package that was used to upgrade was not propagated to the rpmdb on the new image. Now, upgrading includes the update package in the rpmdb on the new image. (BZ#1422476) * With this update, Red Hat Virtualization Host (RHVH) now includes the 'screen' package. Previously, ovirt-hosted-engine-setup invoked from a CLI warned users that the 'screen' package was not installed. Though this was not an explicit requirement when using cockpit, including it provides a better experience if using the CLI. (BZ#1403729)

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.

CVE-2016-9577

A vulnerability was discovered in SPICE in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.

7.5 (High)


                
                  CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-787 - Out-of-bounds Write

Affected products

Fixed 7 products

Product	Version	Remediation
Unresolved product id: 7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.0-20170307.1.el7_3.src	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.0-20170307.1.el7_3.noarch	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-HypervisorBuild-7:imgbased-0:0.8.16-0.1.el7ev.noarch	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-HypervisorBuild-7:imgbased-0:0.8.16-0.1.el7ev.src	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.0-7.1.el7.src	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.0-7.1.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.0-7.1.el7.noarch	—	Vendor Fix fix

Threats

Impact Moderate

CVE-2016-9578

A vulnerability was discovered in SPICE in the server's protocol handling. An attacker able to connect to the SPICE server could send crafted messages which would cause the process to crash.

7.5 (High)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-1286 - Improper Validation of Syntactic Correctness of Input

Affected products

Fixed 7 products, the same list as for CVE-2016-9577

Threats

Impact Moderate

References

24 references

URL	Category
https://access.redhat.com/errata/RHSA-2017:0549	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=1399566	external
https://bugzilla.redhat.com/show_bug.cgi?id=1401603	external
https://bugzilla.redhat.com/show_bug.cgi?id=1403729	external
https://bugzilla.redhat.com/show_bug.cgi?id=1410848	external
https://bugzilla.redhat.com/show_bug.cgi?id=1418179	external
https://bugzilla.redhat.com/show_bug.cgi?id=1422476	external
https://bugzilla.redhat.com/show_bug.cgi?id=1426012	external
https://bugzilla.redhat.com/show_bug.cgi?id=1426038	external
https://bugzilla.redhat.com/show_bug.cgi?id=1427149	external
https://bugzilla.redhat.com/show_bug.cgi?id=1427449	external
https://bugzilla.redhat.com/show_bug.cgi?id=1428375	external
https://bugzilla.redhat.com/show_bug.cgi?id=1429594	external
https://bugzilla.redhat.com/show_bug.cgi?id=1430244	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2016-9577	self
https://bugzilla.redhat.com/show_bug.cgi?id=1401603	external
https://www.cve.org/CVERecord?id=CVE-2016-9577	external
https://nvd.nist.gov/vuln/detail/CVE-2016-9577	external
https://access.redhat.com/security/cve/CVE-2016-9578	self
https://bugzilla.redhat.com/show_bug.cgi?id=1399566	external
https://www.cve.org/CVERecord?id=CVE-2016-9578	external
https://nvd.nist.gov/vuln/detail/CVE-2016-9578	external

Acknowledgments

Red Hat Frediano Ziglio

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CVE-2016-9577 (GCVE-0-2016-9577)

Vulnerability from cvelistv5 – Published: 2018-07-27 20:00 – Updated: 2024-08-06 02:59

Summary

A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling. An authenticated attacker could send crafted messages to the SPICE server causing a heap overflow leading to a crash or possible code execution.

Severity

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1128 records in the last 180 days details

References

7 references

URL	Tags
https://access.redhat.com/errata/RHSA-2017:0552	vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:0254	vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2017/dsa-3790	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/96040	vdb-entryx_refsource_BID
http://rhn.redhat.com/errata/RHSA-2017-0253.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-0549.html	vendor-advisoryx_refsource_REDHAT

Impacted products

1 product

Vendor	Product	Version
Red Hat	spice	Affected: 0.13.90

Date Public

2016-12-05 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2016-9578 (GCVE-0-2016-9578)

Vulnerability from cvelistv5 – Published: 2018-07-27 21:00 – Updated: 2024-08-06 02:59

Summary

A vulnerability was discovered in SPICE before 0.13.90 in the server's protocol handling. An attacker able to connect to the SPICE server could send crafted messages which would cause the process to crash.

Severity

7.5 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1128 records in the last 180 days details

References

7 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:0552	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:0254	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/96118	vdb-entryx_refsource_BID
https://www.debian.org/security/2017/dsa-3790	vendor-advisoryx_refsource_DEBIAN
http://rhn.redhat.com/errata/RHSA-2017-0253.html	vendor-advisoryx_refsource_REDHAT
http://rhn.redhat.com/errata/RHSA-2017-0549.html	vendor-advisoryx_refsource_REDHAT

Impacted products

1 product

Vendor	Product	Version
Red Hat	spice	Affected: 0.13.90

Date Public

2016-11-29 00:00

Show details on NVD website

JSON

To clipboard

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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

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.

Action not permitted

RHSA-2017:0549

CVE-2016-9577 (GCVE-0-2016-9577)

CVE-2016-9578 (GCVE-0-2016-9578)

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour