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CNVD-2022-03955

Vulnerability from cnvd - Published: 2022-01-15

Title

IBM VIOS操作系统命令注入漏洞

Description

IBM Vios是美国IBM公司的PowerVm Editions硬件功能的一部分，有助于在服务器内的客户端逻辑分区之间共享物理I/O资源。 IBM VIOS lscore存在操作系统命令注入漏洞，该漏洞源于lscore命令输入验证错误，存在此漏洞。本地用户可以将专门制作的数据传递给lscore命令，并使用提升的权限执行任意代码。该漏洞允许本地用户升级系统上的权限。

Severity

高

Patch Name

IBM VIOS操作系统命令注入漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： http://aix.software.ibm.com/aix/efixes/security/lscore_advisory.asc

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-38991

Impacted products

Name
['IBM IBM VIOS 3.1.0', 'IBM IBM VIOS 3.1.1', 'IBM IBM VIOS 3.1.2']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38991",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-38991"
    }
  },
  "description": "IBM Vios\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684PowerVm Editions\u786c\u4ef6\u529f\u80fd\u7684\u4e00\u90e8\u5206\uff0c\u6709\u52a9\u4e8e\u5728\u670d\u52a1\u5668\u5185\u7684\u5ba2\u6237\u7aef\u903b\u8f91\u5206\u533a\u4e4b\u95f4\u5171\u4eab\u7269\u7406I/O\u8d44\u6e90\u3002\n\nIBM VIOS lscore\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elscore\u547d\u4ee4\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\uff0c\u5b58\u5728\u6b64\u6f0f\u6d1e\u3002\u672c\u5730\u7528\u6237\u53ef\u4ee5\u5c06\u4e13\u95e8\u5236\u4f5c\u7684\u6570\u636e\u4f20\u9012\u7ed9lscore\u547d\u4ee4\uff0c\u5e76\u4f7f\u7528\u63d0\u5347\u7684\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u8be5\u6f0f\u6d1e\u5141\u8bb8\u672c\u5730\u7528\u6237\u5347\u7ea7\u7cfb\u7edf\u4e0a\u7684\u6743\u9650\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://aix.software.ibm.com/aix/efixes/security/lscore_advisory.asc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-03955",
  "openTime": "2022-01-15",
  "patchDescription": "IBM Vios\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684PowerVm Editions\u786c\u4ef6\u529f\u80fd\u7684\u4e00\u90e8\u5206\uff0c\u6709\u52a9\u4e8e\u5728\u670d\u52a1\u5668\u5185\u7684\u5ba2\u6237\u7aef\u903b\u8f91\u5206\u533a\u4e4b\u95f4\u5171\u4eab\u7269\u7406I/O\u8d44\u6e90\u3002\r\n\r\nIBM VIOS lscore\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8elscore\u547d\u4ee4\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\uff0c\u5b58\u5728\u6b64\u6f0f\u6d1e\u3002\u672c\u5730\u7528\u6237\u53ef\u4ee5\u5c06\u4e13\u95e8\u5236\u4f5c\u7684\u6570\u636e\u4f20\u9012\u7ed9lscore\u547d\u4ee4\uff0c\u5e76\u4f7f\u7528\u63d0\u5347\u7684\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u8be5\u6f0f\u6d1e\u5141\u8bb8\u672c\u5730\u7528\u6237\u5347\u7ea7\u7cfb\u7edf\u4e0a\u7684\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": "IBM VIOS\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "IBM IBM VIOS 3.1.0",
      "IBM IBM VIOS 3.1.1",
      "IBM IBM VIOS 3.1.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-38991",
  "serverity": "\u9ad8",
  "submitTime": "2022-01-13",
  "title": "IBM VIOS\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-38991 (GCVE-0-2021-38991)

Vulnerability from cvelistv5 – Published: 2022-01-11 16:25 – Updated: 2024-09-16 18:48

Summary

IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.

Severity

8.4 (High)


                        
                          CVSS:3.0/PR:N/A:H/S:U/AV:L/C:H/I:H/UI:N/AC:L/RC:C/RL:O/E:U

CWE

Gain Privileges

Assigner

ibm mitre root

References

2 references

URL	Tags
https://www.ibm.com/support/pages/node/6538952	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

2 products

Vendor	Product	Version
IBM	AIX	Affected: 7.1 Affected: 7.2 Affected: 7.3
IBM	VIOS	Affected: 3.1

Date Public

2022-01-10 00:00

Show details on NVD website

JSON

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            "url": "https://www.ibm.com/support/pages/node/6538952"
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            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/212953"
          }
        ],
        "title": "CVE Program Container"
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    "cna": {
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          "product": "AIX",
          "vendor": "IBM",
          "versions": [
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              "version": "7.1"
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              "version": "7.2"
            },
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              "version": "7.3"
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          ]
        },
        {
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            }
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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 7.3,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/PR:N/A:H/S:U/AV:L/C:H/I:H/UI:N/AC:L/RC:C/RL:O/E:U",
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      "problemTypes": [
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                            "version_value": "7.2"
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                          {
                            "version_value": "7.3"
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                      }
                    },
                    {
                      "product_name": "VIOS",
                      "version": {
                        "version_data": [
                          {
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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.

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CNVD-2022-03955

CVE-2021-38991 (GCVE-0-2021-38991)

Tags

Sightings

Nomenclature

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