Vulnerability-Lookup

CNVD-2015-07801

Vulnerability from cnvd - Published: 2015-11-27

Title

Valve Steam权限获取漏洞

Description

Valve Steam是美国Valve公司的一套基于Linux的用于客厅游戏的操作系统。 Valve Steam 2.10.91.91版本中存在安全漏洞，该漏洞源于程序为Install文件夹分配弱权限（用户：读写）。本地攻击者可借助Trojan horse steam.exe文件利用该漏洞获取权限。

Severity

高

Patch Name

Valve Steam权限获取漏洞的补丁

Patch Description

Valve Steam是美国Valve公司的一套基于Linux的用于客厅游戏的操作系统。 Valve Steam 2.10.91.91版本中存在安全漏洞，该漏洞源于程序为Install文件夹分配弱权限（用户：读写）。本地攻击者可借助Trojan horse steam.exe文件利用该漏洞获取权限。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

用户可联系供应商获得补丁信息： https://support.steampowered.com/kb_article.php?ref=1266-OAFV-8478

Reference

http://www.securityfocus.com/archive/1/archive/1/536961/100/0/threaded

Impacted products

Name
Valve Steam 2.10.91.91

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7985"
    }
  },
  "description": "Valve Steam\u662f\u7f8e\u56fdValve\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eLinux\u7684\u7528\u4e8e\u5ba2\u5385\u6e38\u620f\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nValve Steam 2.10.91.91\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4e3aInstall\u6587\u4ef6\u5939\u5206\u914d\u5f31\u6743\u9650\uff08\u7528\u6237\uff1a\u8bfb\u5199\uff09\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9Trojan horse steam.exe\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\u3002",
  "discovererName": "Andrew Smith of Sword \u0026 Shield Enterprise Security",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://support.steampowered.com/kb_article.php?ref=1266-OAFV-8478",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07801",
  "openTime": "2015-11-27",
  "patchDescription": "Valve Steam\u662f\u7f8e\u56fdValve\u516c\u53f8\u7684\u4e00\u5957\u57fa\u4e8eLinux\u7684\u7528\u4e8e\u5ba2\u5385\u6e38\u620f\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nValve Steam 2.10.91.91\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u4e3aInstall\u6587\u4ef6\u5939\u5206\u914d\u5f31\u6743\u9650\uff08\u7528\u6237\uff1a\u8bfb\u5199\uff09\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9Trojan horse steam.exe\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u6743\u9650\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": "Valve Steam\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Valve Steam 2.10.91.91"
  },
  "referenceLink": "http://www.securityfocus.com/archive/1/archive/1/536961/100/0/threaded",
  "serverity": "\u9ad8",
  "submitTime": "2015-11-26",
  "title": "Valve Steam\u6743\u9650\u83b7\u53d6\u6f0f\u6d1e"
}

CVE-2015-7985 (GCVE-0-2015-7985)

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

Summary

Valve Steam 2.10.91.91 uses weak permissions (Users: read and write) for the Install folder, which allows local users to gain privileges via a Trojan horse steam.exe file.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
http://www.securityfocus.com/archive/1/536961/100…	mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/134513/Steam…	x_refsource_MISC

Date Public

2015-11-23 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://packetstormsecurity.com/files/134513/Steam-2.10.91.91-Weak-File-Permissions-Privilege-Escalation.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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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.

Action not permitted

CNVD-2015-07801

CVE-2015-7985 (GCVE-0-2015-7985)

Tags

Sightings

Nomenclature

Related by attack behaviour