Vulnerability-Lookup

CNVD-2022-23488

Vulnerability from cnvd - Published: 2022-03-29

Title

nbd缓冲区溢出漏洞

Description

nbd是一个Linux内核网络块设备的工具。用于通过TCP/IP网络使用远程块设备。 nbd 3.24之前版本的nbd-server存在缓冲区溢出漏洞，攻击者可利用该漏洞通过发送一个大值的NBD OPT INFO或NBD OPT GO消息来导致name字段的解析缓冲区溢出。

Severity

高

Patch Name

nbd缓冲区溢出漏洞的补丁

Patch Description

nbd是一个Linux内核网络块设备的工具。用于通过TCP/IP网络使用远程块设备。 nbd 3.24之前版本的nbd-server存在缓冲区溢出漏洞，攻击者可利用该漏洞通过发送一个大值的NBD OPT INFO或NBD OPT GO消息来导致name字段的解析缓冲区溢出。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

厂商已发布了漏洞修复程序，请及时关注更新： https://sourceforge.net/projects/nbd/files/nbd/

Reference

https://cxsecurity.com/cveshow/CVE-2022-26496/

Impacted products

Name
Network Block Device NBD <3.24

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-26496"
    }
  },
  "description": "nbd\u662f\u4e00\u4e2aLinux\u5185\u6838\u7f51\u7edc\u5757\u8bbe\u5907\u7684\u5de5\u5177\u3002\u7528\u4e8e\u901a\u8fc7TCP/IP\u7f51\u7edc\u4f7f\u7528\u8fdc\u7a0b\u5757\u8bbe\u5907\u3002\n\nnbd 3.24\u4e4b\u524d\u7248\u672c\u7684nbd-server\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u4e00\u4e2a\u5927\u503c\u7684NBD OPT INFO\u6216NBD OPT GO\u6d88\u606f\u6765\u5bfc\u81f4name\u5b57\u6bb5\u7684\u89e3\u6790\u7f13\u51b2\u533a\u6ea2\u51fa\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/projects/nbd/files/nbd/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-23488",
  "openTime": "2022-03-29",
  "patchDescription": "nbd\u662f\u4e00\u4e2aLinux\u5185\u6838\u7f51\u7edc\u5757\u8bbe\u5907\u7684\u5de5\u5177\u3002\u7528\u4e8e\u901a\u8fc7TCP/IP\u7f51\u7edc\u4f7f\u7528\u8fdc\u7a0b\u5757\u8bbe\u5907\u3002\r\n\r\nnbd 3.24\u4e4b\u524d\u7248\u672c\u7684nbd-server\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u4e00\u4e2a\u5927\u503c\u7684NBD OPT INFO\u6216NBD OPT GO\u6d88\u606f\u6765\u5bfc\u81f4name\u5b57\u6bb5\u7684\u89e3\u6790\u7f13\u51b2\u533a\u6ea2\u51fa\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": "nbd\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Network Block Device NBD \u003c3.24"
  },
  "referenceLink": "https://cxsecurity.com/cveshow/CVE-2022-26496/",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-08",
  "title": "nbd\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2022-26496 (GCVE-0-2022-26496)

Vulnerability from cvelistv5 – Published: 2022-03-06 00:00 – Updated: 2024-08-03 05:03

Summary

In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://lists.debian.org/nbd/2022/01/msg00037.html
	https://sourceforge.net/projects/nbd/files/nbd/
	https://lists.debian.org/nbd/2022/01/msg00036.html
	https://www.debian.org/security/2022/dsa-5100	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	http://packetstormsecurity.com/files/172148/Shann…
	https://security.gentoo.org/glsa/202402-10	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T05:03:32.965Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/nbd/2022/01/msg00037.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceforge.net/projects/nbd/files/nbd/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/nbd/2022/01/msg00036.html"
          },
          {
            "name": "DSA-5100",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5100"
          },
          {
            "name": "FEDORA-2022-62adf9a1e0",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/"
          },
          {
            "name": "FEDORA-2022-807e431d5f",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/"
          },
          {
            "name": "FEDORA-2022-263873fb70",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/172148/Shannon-Baseband-fmtp-SDP-Attribute-Memory-Corruption.html"
          },
          {
            "name": "GLSA-202402-10",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202402-10"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-04T11:06:23.703168",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://lists.debian.org/nbd/2022/01/msg00037.html"
        },
        {
          "url": "https://sourceforge.net/projects/nbd/files/nbd/"
        },
        {
          "url": "https://lists.debian.org/nbd/2022/01/msg00036.html"
        },
        {
          "name": "DSA-5100",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.debian.org/security/2022/dsa-5100"
        },
        {
          "name": "FEDORA-2022-62adf9a1e0",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/"
        },
        {
          "name": "FEDORA-2022-807e431d5f",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/"
        },
        {
          "name": "FEDORA-2022-263873fb70",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/"
        },
        {
          "url": "http://packetstormsecurity.com/files/172148/Shannon-Baseband-fmtp-SDP-Attribute-Memory-Corruption.html"
        },
        {
          "name": "GLSA-202402-10",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202402-10"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-26496",
    "datePublished": "2022-03-06T00:00:00",
    "dateReserved": "2022-03-06T00:00:00",
    "dateUpdated": "2024-08-03T05:03:32.965Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2022-23488

CVE-2022-26496 (GCVE-0-2022-26496)

Tags

Sightings

Nomenclature