github - ghsa-7m4m-pwhv-49c5

ghsa-7m4m-pwhv-49c5

Vulnerability from github

Published

2024-09-03 18:31

Modified

2024-09-04 00:31

Severity ?

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

Details

Issue summary: Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address resulting in abnormal termination of the application process.

Impact summary: Abnormal termination of an application can a cause a denial of service.

Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address when comparing the expected name with an otherName subject alternative name of an X.509 certificate. This may result in an exception that terminates the application program.

Note that basic certificate chain validation (signatures, dates, ...) is not affected, the denial of service can occur only when the application also specifies an expected DNS name, Email address or IP address.

TLS servers rarely solicit client certificates, and even when they do, they generally don't perform a name check against a reference identifier (expected identity), but rather extract the presented identity after checking the certificate chain. So TLS servers are generally not affected and the severity of the issue is Moderate.

The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2024-6119"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-03T16:15:07Z",
    "severity": "HIGH"
  },
  "details": "Issue summary: Applications performing certificate name checks (e.g., TLS\nclients checking server certificates) may attempt to read an invalid memory\naddress resulting in abnormal termination of the application process.\n\nImpact summary: Abnormal termination of an application can a cause a denial of\nservice.\n\nApplications performing certificate name checks (e.g., TLS clients checking\nserver certificates) may attempt to read an invalid memory address when\ncomparing the expected name with an `otherName` subject alternative name of an\nX.509 certificate. This may result in an exception that terminates the\napplication program.\n\nNote that basic certificate chain validation (signatures, dates, ...) is not\naffected, the denial of service can occur only when the application also\nspecifies an expected DNS name, Email address or IP address.\n\nTLS servers rarely solicit client certificates, and even when they do, they\ngenerally don\u0027t perform a name check against a reference identifier (expected\nidentity), but rather extract the presented identity after checking the\ncertificate chain.  So TLS servers are generally not affected and the severity\nof the issue is Moderate.\n\nThe FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.",
  "id": "GHSA-7m4m-pwhv-49c5",
  "modified": "2024-09-04T00:31:14Z",
  "published": "2024-09-03T18:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6119"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/05f360d9e849a1b277db628f1f13083a7f8dd04f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/06d1dc3fa96a2ba5a3e22735a033012aadc9f0d6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/621f3729831b05ee828a3203eddb621d014ff2b2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/7dfcee2cd2a63b2c64b9b4b0850be64cb695b0a0"
    },
    {
      "type": "WEB",
      "url": "https://openssl-library.org/news/secadv/20240903.txt"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2024-6119

Vulnerability from cvelistv5

Published

2024-09-03 15:58

Modified

2024-09-12 16:03

Severity ?

Summary

Possible denial of service in X.509 name checks

References

▼	URL	Tags
	https://openssl-library.org/news/secadv/20240903.txt	vendor-advisory
	https://github.com/openssl/openssl/commit/7dfcee2cd2a63b2c64b9b4b0850be64cb695b0a0	patch
	https://github.com/openssl/openssl/commit/05f360d9e849a1b277db628f1f13083a7f8dd04f	patch
	https://github.com/openssl/openssl/commit/621f3729831b05ee828a3203eddb621d014ff2b2	patch
	https://github.com/openssl/openssl/commit/06d1dc3fa96a2ba5a3e22735a033012aadc9f0d6	patch

Impacted products

Vendor

Product

Version

▼

OpenSSL

Version: 3.3.0   ≤
Version: 3.2.0   ≤
Version: 3.1.0   ≤
Version: 3.0.0   ≤

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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