Vulnerability-Lookup

CNVD-2020-35386

Vulnerability from cnvd - Published: 2020-06-30

Title

Sourcegraph访问限制绕过漏洞

Description

Sourcegraph是美国Sourcegraph公司的一款开源的代码搜索和导航工具。 Sourcegraph 3.15.1之前版本中的cmd/frontend/auth/redirect.go文件的SafeRedirectURL方法存在安全漏洞。远程攻击者可利用该漏洞绕过访问限制。

Severity

中

Patch Name

Sourcegraph访问限制绕过漏洞的补丁

Patch Description

Sourcegraph是美国Sourcegraph公司的一款开源的代码搜索和导航工具。 Sourcegraph 3.15.1之前版本中的cmd/frontend/auth/redirect.go文件的SafeRedirectURL方法存在安全漏洞。远程攻击者可利用该漏洞绕过访问限制。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

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/sourcegraph/sourcegraph/blob/master/CHANGELOG.md

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-12283

Impacted products

Name
Sourcegraph Sourcegraph <3.15.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12283"
    }
  },
  "description": "Sourcegraph\u662f\u7f8e\u56fdSourcegraph\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u4ee3\u7801\u641c\u7d22\u548c\u5bfc\u822a\u5de5\u5177\u3002\n\nSourcegraph 3.15.1\u4e4b\u524d\u7248\u672c\u4e2d\u7684cmd/frontend/auth/redirect.go\u6587\u4ef6\u7684SafeRedirectURL\u65b9\u6cd5\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8bbf\u95ee\u9650\u5236\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/sourcegraph/sourcegraph/blob/master/CHANGELOG.md",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-35386",
  "openTime": "2020-06-30",
  "patchDescription": "Sourcegraph\u662f\u7f8e\u56fdSourcegraph\u516c\u53f8\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u4ee3\u7801\u641c\u7d22\u548c\u5bfc\u822a\u5de5\u5177\u3002\r\n\r\nSourcegraph 3.15.1\u4e4b\u524d\u7248\u672c\u4e2d\u7684cmd/frontend/auth/redirect.go\u6587\u4ef6\u7684SafeRedirectURL\u65b9\u6cd5\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8bbf\u95ee\u9650\u5236\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": "Sourcegraph\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Sourcegraph Sourcegraph \u003c3.15.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12283",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-07",
  "title": "Sourcegraph\u8bbf\u95ee\u9650\u5236\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2020-12283 (GCVE-0-2020-12283)

Vulnerability from cvelistv5 – Published: 2020-04-30 04:07 – Updated: 2024-08-04 11:48

Summary

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2350 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/sourcegraph/sourcegraph/pull/10167	x_refsource_MISC
https://github.com/sourcegraph/sourcegraph/compar…	x_refsource_MISC
https://github.com/sourcegraph/sourcegraph/commit…	x_refsource_MISC
https://github.com/sourcegraph/sourcegraph/blob/m…	x_refsource_CONFIRM
https://securitylab.github.com/advisories/GHSL-20…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/sourcegraph/sourcegraph/pull/10167"
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            "url": "https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1"
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            "url": "https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64"
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          }
        ],
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        },
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          "tags": [
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          "url": "https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md"
        },
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          "tags": [
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          "url": "https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph"
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    "dateReserved": "2020-04-27T00:00:00.000Z",
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    "state": "PUBLISHED"
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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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.
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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.

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