Vulnerability-Lookup

CNVD-2018-05841

Vulnerability from cnvd - Published: 2018-03-21

Title

Red Hat libvirt util/virlog.c文件任意命令执行漏洞

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util/virlog.c文件存在安全漏洞，该漏洞源于程序未能正确的确定主机名。本地攻击者可借助特制的NSS模块利用该漏洞绕过容器保护机制并执行任意命令。

Severity

中

Patch Name

Red Hat libvirt util/virlog.c文件任意命令执行漏洞的补丁

Patch Description

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-6764

Impacted products

Name
Red Hat libvirt

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-6764"
    }
  },
  "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\u7684util/virlog.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u786e\u5b9a\u4e3b\u673a\u540d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684NSS\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bb9\u5668\u4fdd\u62a4\u673a\u5236\u5e76\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.redhat.com/archives/libvir-list/2018-February/msg00239.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05841",
  "openTime": "2018-03-21",
  "patchDescription": "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\u7684util/virlog.c\u6587\u4ef6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u786e\u5b9a\u4e3b\u673a\u540d\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684NSS\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5bb9\u5668\u4fdd\u62a4\u673a\u5236\u5e76\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Red Hat libvirt util/virlog.c\u6587\u4ef6\u4efb\u610f\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Red Hat libvirt"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-6764",
  "serverity": "\u4e2d",
  "submitTime": "2018-02-24",
  "title": "Red Hat libvirt util/virlog.c\u6587\u4ef6\u4efb\u610f\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e"
}

CVE-2018-6764 (GCVE-0-2018-6764)

Vulnerability from cvelistv5 – Published: 2018-02-23 17:00 – Updated: 2024-08-05 06:10

Summary

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://www.debian.org/security/2018/dsa-4137	vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:3113	vendor-advisoryx_refsource_REDHAT
https://www.redhat.com/archives/libvir-list/2018-…	mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-3576-1	vendor-advisoryx_refsource_UBUNTU

Date Public

2018-02-05 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.