Vulnerability-Lookup

CNVD-2020-44867

Vulnerability from cnvd - Published: 2020-08-07

Title

libMirage缓冲区溢出漏洞

Description

libMirage是一款用C语言编写的、基于GLib的CD-ROM映像访问库。CDemu是一款免费、开源的虚拟驱动器软件，旨在模拟Linux操作系统上的光驱和光盘。 CDemu中的libMirage 3.2.2中的CSO过滤器中的filters/filter-cso/filter-stream.c存在堆缓冲区溢出漏洞，该漏洞源于filters/filter-cso/filter-stream.c未验证part大小，本地Linux用户可利用该漏洞回去root访问权限。

Severity

高

Patch Name

libMirage缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-15540

Impacted products

Name
libMirage libMirage 3.2.2

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15540",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15540"
    }
  },
  "description": "libMirage\u662f\u4e00\u6b3e\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u3001\u57fa\u4e8eGLib\u7684CD-ROM\u6620\u50cf\u8bbf\u95ee\u5e93\u3002CDemu\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u865a\u62df\u9a71\u52a8\u5668\u8f6f\u4ef6\uff0c\u65e8\u5728\u6a21\u62dfLinux\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u5149\u9a71\u548c\u5149\u76d8\u3002\n\nCDemu\u4e2d\u7684libMirage 3.2.2\u4e2d\u7684CSO\u8fc7\u6ee4\u5668\u4e2d\u7684filters/filter-cso/filter-stream.c\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8efilters/filter-cso/filter-stream.c\u672a\u9a8c\u8bc1part\u5927\u5c0f\uff0c\u672c\u5730Linux\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u56de\u53bbroot\u8bbf\u95ee\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44867",
  "openTime": "2020-08-07",
  "patchDescription": "libMirage\u662f\u4e00\u6b3e\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u3001\u57fa\u4e8eGLib\u7684CD-ROM\u6620\u50cf\u8bbf\u95ee\u5e93\u3002CDemu\u662f\u4e00\u6b3e\u514d\u8d39\u3001\u5f00\u6e90\u7684\u865a\u62df\u9a71\u52a8\u5668\u8f6f\u4ef6\uff0c\u65e8\u5728\u6a21\u62dfLinux\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u5149\u9a71\u548c\u5149\u76d8\u3002\r\n\r\nCDemu\u4e2d\u7684libMirage 3.2.2\u4e2d\u7684CSO\u8fc7\u6ee4\u5668\u4e2d\u7684filters/filter-cso/filter-stream.c\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8efilters/filter-cso/filter-stream.c\u672a\u9a8c\u8bc1part\u5927\u5c0f\uff0c\u672c\u5730Linux\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u56de\u53bbroot\u8bbf\u95ee\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": "libMirage\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libMirage libMirage 3.2.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15540",
  "serverity": "\u9ad8",
  "submitTime": "2019-08-26",
  "title": "libMirage\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2019-15540 (GCVE-0-2019-15540)

Vulnerability from cvelistv5 – Published: 2019-08-25 16:43 – Updated: 2024-08-05 00:49

Summary

filters/filter-cso/filter-stream.c in the CSO filter in libMirage 3.2.2 in CDemu does not validate the part size, triggering a heap-based buffer overflow that can lead to root access by a local Linux user.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://sourceforge.net/p/cdemu/bugs/119/	x_refsource_MISC
	https://sourceforge.net/p/cdemu/code/ci/0e9292c9a…	x_refsource_MISC
	https://gist.github.com/andreafioraldi/baa79cd781…	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

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{
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          "dateUpdated": "2024-08-05T00:49:13.733Z",
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            "url": "https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/"
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            "tags": [
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          },
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            "name": "openSUSE-SU-2019:2077",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00017.html"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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      ],
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          "url": "https://sourceforge.net/p/cdemu/code/ci/0e9292c9aa34bf545f43f7efe5f0b94faba94962/"
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        },
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2020-44867

CVE-2019-15540 (GCVE-0-2019-15540)

Tags

Sightings

Nomenclature