Vulnerability-Lookup

CNVD-2018-03000

Vulnerability from cnvd - Published: 2018-02-08

Title

Red Hat libvirt拒绝服务漏洞

Description

Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt中的qemu/qemu_monitor.c文件存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。

Severity

低

Patch Name

Red Hat libvirt拒绝服务漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://libvirt.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-5748

Impacted products

Name
Red Hat libvirt

Show details on source website

JSON

To clipboard

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  "description": "Red Hat libvirt\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5b9e\u73b0Linux\u865a\u62df\u5316\u529f\u80fd\u7684Linux API\uff0c\u5b83\u652f\u6301\u5404\u79cdHypervisor\uff0c\u5305\u62ecXen\u548cKVM\uff0c\u4ee5\u53caQEMU\u548c\u7528\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e9b\u865a\u62df\u4ea7\u54c1\u3002\r\n\r\nRed Hat libvirt\u4e2d\u7684qemu/qemu_monitor.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Daniel P. Berrange and Peter Krempa",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-03000",
  "openTime": "2018-02-08",
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  "products": {
    "product": "Red Hat libvirt"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-5748",
  "serverity": "\u4f4e",
  "submitTime": "2018-01-26",
  "title": "Red Hat libvirt\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-5748 (GCVE-0-2018-5748)

Vulnerability from cvelistv5 – Published: 2018-01-25 16:00 – Updated: 2024-08-05 05:40

Summary

qemu/qemu_monitor.c in libvirt allows attackers to cause a denial of service (memory consumption) via a large QEMU reply.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2018:1396	vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4137	vendor-advisoryx_refsource_DEBIAN
https://www.redhat.com/archives/libvir-list/2018-…	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:1929	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/102825	vdb-entryx_refsource_BID
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST

Date Public

2018-01-16 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.

Detection rules are retrieved from Rulezet.

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.