github - ghsa-299c-jvhc-gxj8

ghsa-299c-jvhc-gxj8

Vulnerability from github

Published

2024-04-08 15:30

Modified

2024-05-03 15:30

Details

Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions

Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial of Service

This problem can occur in TLSv1.3 if the non-default SSL_OP_NO_TICKET option is being used (but not if early_data support is also configured and the default anti-replay protection is in use). In this case, under certain conditions, the session cache can get into an incorrect state and it will fail to flush properly as it fills. The session cache will continue to grow in an unbounded manner. A malicious client could deliberately create the scenario for this failure to force a Denial of Service. It may also happen by accident in normal operation.

This issue only affects TLS servers supporting TLSv1.3. It does not affect TLS clients.

The FIPS modules in 3.2, 3.1 and 3.0 are not affected by this issue. OpenSSL 1.0.2 is also not affected by this issue.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-2511"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1325"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-08T14:15:07Z",
    "severity": null
  },
  "details": "Issue summary: Some non-default TLS server configurations can cause unbounded\nmemory growth when processing TLSv1.3 sessions\n\nImpact summary: An attacker may exploit certain server configurations to trigger\nunbounded memory growth that would lead to a Denial of Service\n\nThis problem can occur in TLSv1.3 if the non-default SSL_OP_NO_TICKET option is\nbeing used (but not if early_data support is also configured and the default\nanti-replay protection is in use). In this case, under certain conditions, the\nsession cache can get into an incorrect state and it will fail to flush properly\nas it fills. The session cache will continue to grow in an unbounded manner. A\nmalicious client could deliberately create the scenario for this failure to\nforce a Denial of Service. It may also happen by accident in normal operation.\n\nThis issue only affects TLS servers supporting TLSv1.3. It does not affect TLS\nclients.\n\nThe FIPS modules in 3.2, 3.1 and 3.0 are not affected by this issue. OpenSSL\n1.0.2 is also not affected by this issue.",
  "id": "GHSA-299c-jvhc-gxj8",
  "modified": "2024-05-03T15:30:36Z",
  "published": "2024-04-08T15:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2511"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/7e4d731b1c07201ad9374c1cd9ac5263bdf35bce"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/b52867a9f618bb955bed2a3ce3db4d4f97ed8e5d"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openssl/openssl/commit/e9d7083e241670332e0443da0f0d4ffb52829f08"
    },
    {
      "type": "WEB",
      "url": "https://github.openssl.org/openssl/extended-releases/commit/5f8d25770ae6437db119dfc951e207271a326640"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20240503-0013"
    },
    {
      "type": "WEB",
      "url": "https://www.openssl.org/news/secadv/20240408.txt"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/04/08/5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2024-2511

Vulnerability from cvelistv5

Published

2024-04-08 13:51

Modified

2024-10-14 14:56

Severity ?

Summary

Unbounded memory growth with session handling in TLSv1.3

References

▼	URL	Tags
	https://www.openssl.org/news/secadv/20240408.txt	vendor-advisory
	https://github.com/openssl/openssl/commit/e9d7083e241670332e0443da0f0d4ffb52829f08	patch
	https://github.com/openssl/openssl/commit/7e4d731b1c07201ad9374c1cd9ac5263bdf35bce	patch
	https://github.com/openssl/openssl/commit/b52867a9f618bb955bed2a3ce3db4d4f97ed8e5d	patch
	https://github.openssl.org/openssl/extended-releases/commit/5f8d25770ae6437db119dfc951e207271a326640	patch

Impacted products

▼	Vendor	Product
	OpenSSL	OpenSSL

Show details on NVD website

JSON

To clipboard

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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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