Vulnerability-Lookup

RHSA-2019_2078

Vulnerability from csaf_redhat - Published: 2019-08-06 14:07 - Updated: 2024-11-15 08:25

Summary

Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

Severity

Low

Notes

Topic: An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. 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: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: Slirp: information leakage in tcp_emu() due to uninitialized stack variables (CVE-2019-9824) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 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.

CVE-2019-9824

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.

2.8 (Low)


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

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

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 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. https://access.redhat.com/errata/RHSA-2019:2078

References

URL

Category

	https://access.redhat.com/errata/RHSA-2019:2078	self
	https://access.redhat.com/security/updates/classi…	external
	https://access.redhat.com/documentation/en-us/red…	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1654627	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1658407	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1659229	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1678515	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1686253	external
	https://bugzilla.redhat.com/show_bug.cgi?id=1709495	external
	https://security.access.redhat.com/data/csaf/v2/a…	self
	https://access.redhat.com/security/cve/CVE-2019-9824	self
	https://bugzilla.redhat.com/show_bug.cgi?id=1678515	external
	https://www.cve.org/CVERecord?id=CVE-2019-9824	external
	https://nvd.nist.gov/vuln/detail/CVE-2019-9824	external

Acknowledgments

William Bowling

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  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "William Bowling"
          ]
        }
      ],
      "cve": "CVE-2019-9824",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2019-02-18T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1678515"
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      ],
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        {
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
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          "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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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9824"
        }
      ],
      "release_date": "2019-03-01T00:00:00+00:00",
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        {
          "category": "vendor_fix",
          "date": "2019-08-06T14:07:59+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\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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            "baseScore": 2.8,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.0"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "QEMU: slirp: information leakage in tcp_emu() due to uninitialized stack variables"
    }
  ]
}

CVE-2019-9824 (GCVE-0-2019-9824)

Vulnerability from cvelistv5 – Published: 2019-06-03 20:50 – Updated: 2024-08-04 22:01

Summary

tcp_emu in slirp/tcp_subr.c (aka slirp/src/tcp_subr.c) in QEMU 3.0.0 uses uninitialized data in an snprintf call, leading to Information disclosure.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://lists.gnu.org/archive/html/qemu-devel/201…	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2019:1650	vendor-advisoryx_refsource_REDHAT
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://access.redhat.com/errata/RHSA-2019:2078	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2425	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2553	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3345	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2019_2078

CVE-2019-9824 (GCVE-0-2019-9824)

Tags

Sightings

Nomenclature