Vulnerability-Lookup

CNVD-2015-07804

Vulnerability from cnvd - Published: 2015-11-27

Title

Red Hat Enterprise Linux grub2程序包代码执行漏洞

Description

Red Hat Enterprise Linux（RHEL）是美国红帽（Red Hat）公司维护和发布的一套面向企业用户的Linux操作系统。 RHEL 7版本的grub2程序包2.02-0.29之前版本中存在安全漏洞。当程序使用在UEFI系统上时，本地攻击者可借助配置文件中的multiboot或multiboot2模块利用该漏洞绕过既定的Secure Boot限制，执行non-verified代码。

Severity

低

Patch Name

Red Hat Enterprise Linux grub2程序包代码执行漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://rhn.redhat.com/errata/RHSA-2015-2401.html

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1264103 http://www.securitytracker.com/id/1034198 http://rhn.redhat.com/errata/RHSA-2015-2401.html

Impacted products

Name
Red Hat Enterprise Linux (RHEL) 7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5281"
    }
  },
  "description": "Red Hat Enterprise Linux\uff08RHEL\uff09\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7ef4\u62a4\u548c\u53d1\u5e03\u7684\u4e00\u5957\u9762\u5411\u4f01\u4e1a\u7528\u6237\u7684Linux\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nRHEL 7\u7248\u672c\u7684grub2\u7a0b\u5e8f\u53052.02-0.29\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528\u5728UEFI\u7cfb\u7edf\u4e0a\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684multiboot\u6216multiboot2\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684Secure Boot\u9650\u5236\uff0c\u6267\u884cnon-verified\u4ee3\u7801\u3002",
  "discovererName": "Stefan Cornelius",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://rhn.redhat.com/errata/RHSA-2015-2401.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07804",
  "openTime": "2015-11-27",
  "patchDescription": "Red Hat Enterprise Linux\uff08RHEL\uff09\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7ef4\u62a4\u548c\u53d1\u5e03\u7684\u4e00\u5957\u9762\u5411\u4f01\u4e1a\u7528\u6237\u7684Linux\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nRHEL 7\u7248\u672c\u7684grub2\u7a0b\u5e8f\u53052.02-0.29\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528\u5728UEFI\u7cfb\u7edf\u4e0a\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684multiboot\u6216multiboot2\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u65e2\u5b9a\u7684Secure Boot\u9650\u5236\uff0c\u6267\u884cnon-verified\u4ee3\u7801\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 Enterprise Linux grub2\u7a0b\u5e8f\u5305\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Red Hat Enterprise Linux (RHEL) 7.0"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1264103\r\nhttp://www.securitytracker.com/id/1034198\r\nhttp://rhn.redhat.com/errata/RHSA-2015-2401.html",
  "serverity": "\u4f4e",
  "submitTime": "2015-11-26",
  "title": "Red Hat Enterprise Linux grub2\u7a0b\u5e8f\u5305\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2015-5281 (GCVE-0-2015-5281)

Vulnerability from cvelistv5 – Published: 2015-11-24 20:00 – Updated: 2024-08-06 06:41

Summary

The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux (RHEL) 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted (1) multiboot or (2) multiboot2 module in the configuration file or physically proximate attackers to bypass intended Secure Boot restrictions and execute non-verified code via the (3) boot menu.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

7 references

URL	Tags
http://www.securityfocus.com/bid/77983	vdb-entryx_refsource_BID
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://bugzilla.redhat.com/show_bug.cgi?id=1264103	x_refsource_CONFIRM
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-2401.html	vendor-advisoryx_refsource_REDHAT
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://www.securitytracker.com/id/1034198	vdb-entryx_refsource_SECTRACK

Date Public

2015-07-02 00:00

Show details on NVD website

JSON

To clipboard

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          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html"
        },
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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.