github - ghsa-wwrq-59mq-v8w2

ghsa-wwrq-59mq-v8w2

Vulnerability from github

Published

2022-05-24 17:42

Modified

2022-06-02 00:00

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both redirect and verifyChain options. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.

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  "affected": [],
  "aliases": [
    "CVE-2021-20230"
  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-02-23T17:15:00Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-wwrq-59mq-v8w2",
  "modified": "2022-06-02T00:00:23Z",
  "published": "2022-05-24T17:42:54Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20230"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mtrojnar/stunnel/commit/ebad9ddc4efb2635f37174c9d800d06206f1edf9"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1925226"
    },
    {
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      "url": "https://security.gentoo.org/glsa/202105-02"
    }
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  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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}

CVE-2021-20230 (GCVE-0-2021-20230)

Vulnerability from cvelistv5

Published

2021-02-23 16:34

Modified

2024-08-03 17:30

Severity ?

CWE

CWE-295

Summary

A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both redirect and verifyChain options. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.

References

►

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1925226	x_refsource_MISC
	https://github.com/mtrojnar/stunnel/commit/ebad9ddc4efb2635f37174c9d800d06206f1edf9	x_refsource_MISC
	https://security.gentoo.org/glsa/202105-02	vendor-advisory, x_refsource_GENTOO

Impacted products

	Vendor	Product	Version
	n/a	stunnel	Version: stunnel 5.57

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