RHSA-2019:0231

Vulnerability from csaf_redhat - Published: 2019-01-31 18:30 - Updated: 2025-11-21 18:07
Summary
Red Hat Security Advisory: spice security update
Severity
Important
Notes
Topic: An update for spice is now available for Red Hat Enterprise Linux 7. 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: The Simple Protocol for Independent Computing Environments (SPICE) is a remote display system built for virtual environments which allows the user to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. Security Fix(es): * spice: Off-by-one error in array access in spice/server/memslot.c (CVE-2019-3813) 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. This issue was discovered by Christophe Fergeau (Red Hat).
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-2019-3813

Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.

8.0 (High)
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-193 - Off-by-one Error
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 All applications using SPICE (most notably all QEMU-KVM instances using the SPICE console) must be restarted for this update to take effect. https://access.redhat.com/errata/RHSA-2019:0231
References
Acknowledgments
Red Hat Christophe Fergeau
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Christophe Fergeau"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2019-3813",
      "cwe": {
        "id": "CWE-193",
        "name": "Off-by-one Error"
      },
      "discovery_date": "2018-12-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1665371"
        }
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          "category": "description",
          "text": "Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "spice: Off-by-one error in array access in spice/server/memslot.c",
          "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"
        }
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-3813",
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          "category": "external",
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          "date": "2019-01-31T18:30:56+00:00",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "spice: Off-by-one error in array access in spice/server/memslot.c"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.