Vulnerability-Lookup

CNVD-2020-53120

Vulnerability from cnvd - Published: 2020-09-21

Title

Meetecho Janus缓冲区溢出漏洞（CNVD-2020-53120）

Description

Meetecho Janus是Meetecho公司的一款WebRTC（网页即时通信）服务器。 Meetecho Janus 0.10.0及之前版本中的utils.c文件的‘janus_get_codec_from_pt’函数存在缓冲区溢出漏洞，该漏洞源于程序未能正确检查边界。远程攻击者可借助特制SDP Offer数据包利用该漏洞在系统上执行任意代码或导致应用程序崩溃。

Severity

高

Patch Name

Meetecho Janus缓冲区溢出漏洞（CNVD-2020-53120）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： https://github.com/meetecho/janus-gateway/pull/2229

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-14034

Impacted products

Name
Meetecho Janus <=0.10.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14034"
    }
  },
  "description": "Meetecho Janus\u662fMeetecho\u516c\u53f8\u7684\u4e00\u6b3eWebRTC\uff08\u7f51\u9875\u5373\u65f6\u901a\u4fe1\uff09\u670d\u52a1\u5668\u3002\n\nMeetecho Janus 0.10.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684utils.c\u6587\u4ef6\u7684\u2018janus_get_codec_from_pt\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u8fb9\u754c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236SDP Offer\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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\nhttps://github.com/meetecho/janus-gateway/pull/2229",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-53120",
  "openTime": "2020-09-21",
  "patchDescription": "Meetecho Janus\u662fMeetecho\u516c\u53f8\u7684\u4e00\u6b3eWebRTC\uff08\u7f51\u9875\u5373\u65f6\u901a\u4fe1\uff09\u670d\u52a1\u5668\u3002\r\n\r\nMeetecho Janus 0.10.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684utils.c\u6587\u4ef6\u7684\u2018janus_get_codec_from_pt\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u68c0\u67e5\u8fb9\u754c\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236SDP Offer\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "Meetecho Janus\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-53120\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Meetecho Janus \u003c=0.10.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14034",
  "serverity": "\u9ad8",
  "submitTime": "2020-06-16",
  "title": "Meetecho Janus\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-53120\uff09"
}

CVE-2020-14034 (GCVE-0-2020-14034)

Vulnerability from cvelistv5 – Published: 2020-06-15 16:10 – Updated: 2024-08-04 12:32

Summary

An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/meetecho/janus-gateway/blob/v0…	x_refsource_MISC
	https://github.com/meetecho/janus-gateway/blob/v0…	x_refsource_MISC
	https://github.com/meetecho/janus-gateway/pull/2229	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.712Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/meetecho/janus-gateway/pull/2229"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-15T16:10:34",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/meetecho/janus-gateway/pull/2229"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-14034",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_get_codec_from_pt in utils.c has a Buffer Overflow via long value in an SDP Offer packet."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381",
              "refsource": "MISC",
              "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L381"
            },
            {
              "name": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401",
              "refsource": "MISC",
              "url": "https://github.com/meetecho/janus-gateway/blob/v0.10.0/utils.c#L401"
            },
            {
              "name": "https://github.com/meetecho/janus-gateway/pull/2229",
              "refsource": "CONFIRM",
              "url": "https://github.com/meetecho/janus-gateway/pull/2229"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-14034",
    "datePublished": "2020-06-15T16:10:34",
    "dateReserved": "2020-06-11T00:00:00",
    "dateUpdated": "2024-08-04T12:32:14.712Z",
    "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-2020-53120

CVE-2020-14034 (GCVE-0-2020-14034)

Tags

Sightings

Nomenclature