Vulnerability-Lookup

CNVD-2015-05772

Vulnerability from cnvd - Published: 2015-09-01

Title

FreeBSD Kernel sys_amd64 IRET处理器拒绝服务漏洞

Description

FreeBSD是一款基于BSD的操作系统， FreeBSD存在安全漏洞，允许本地用户返回#SS或#NP异常的IRET，可导致拒绝服务或权限提升。

Severity

高

Patch Name

FreeBSD Kernel sys_amd64 IRET处理器拒绝服务漏洞的补丁

Patch Description

FreeBSD是一款基于BSD的操作系统，FreeBSD存在安全漏洞，允许本地用户返回#SS或#NP异常的IRET，可导致拒绝服务或权限提升。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://security.FreeBSD.org/advisories/FreeBSD-SA-15:21.amd64.asc

Reference

https://security.FreeBSD.org/advisories/FreeBSD-SA-15:21.amd64.asc

Impacted products

Name
FreeBSD FreeBSD

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5675"
    }
  },
  "description": "FreeBSD\u662f\u4e00\u6b3e\u57fa\u4e8eBSD\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\r\n\r\nFreeBSD\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u7528\u6237\u8fd4\u56de#SS\u6216#NP\u5f02\u5e38\u7684IRET\uff0c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6216\u6743\u9650\u63d0\u5347\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://security.FreeBSD.org/advisories/FreeBSD-SA-15:21.amd64.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05772",
  "openTime": "2015-09-01",
  "patchDescription": "FreeBSD\u662f\u4e00\u6b3e\u57fa\u4e8eBSD\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0cFreeBSD\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u7528\u6237\u8fd4\u56de#SS\u6216#NP\u5f02\u5e38\u7684IRET\uff0c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6216\u6743\u9650\u63d0\u5347\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": "FreeBSD Kernel sys_amd64 IRET\u5904\u7406\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FreeBSD FreeBSD"
  },
  "referenceLink": "https://security.FreeBSD.org/advisories/FreeBSD-SA-15:21.amd64.asc",
  "serverity": "\u9ad8",
  "submitTime": "2015-08-29",
  "title": "FreeBSD Kernel sys_amd64 IRET\u5904\u7406\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-5675 (GCVE-0-2015-5675)

Vulnerability from cvelistv5 – Published: 2017-10-10 16:00 – Updated: 2024-08-06 06:59

Summary

The sys_amd64 IRET Handler in the kernel in FreeBSD 9.3 and 10.1 allows local users to gain privileges or cause a denial of service (kernel panic).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://www.securityfocus.com/bid/76485	vdb-entryx_refsource_BID
https://www.freebsd.org/security/advisories/FreeB…	vendor-advisoryx_refsource_FREEBSD
http://www.securitytracker.com/id/1033376	vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/archive/1/536321/100…	mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/133335/FreeB…	x_refsource_MISC

Date Public

2015-08-25 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://packetstormsecurity.com/files/133335/FreeBSD-Security-Advisory-IRET-Handler-Privilege-Escalation.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.