github - ghsa-p3r9-6fhw-hgv8

ghsa-p3r9-6fhw-hgv8

Vulnerability from github

Published

2022-05-24 19:13

Modified

2022-05-24 19:13

Details

The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-40530"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-06T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver\u0027s public key, the generator defined by the receiver\u0027s public key, and the sender\u0027s ephemeral exponents can lead to a cross-configuration attack against OpenPGP.",
  "id": "GHSA-p3r9-6fhw-hgv8",
  "modified": "2022-05-24T19:13:02Z",
  "published": "2022-05-24T19:13:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40530"
    },
    {
      "type": "WEB",
      "url": "https://eprint.iacr.org/2021/923"
    },
    {
      "type": "WEB",
      "url": "https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1"
    },
    {
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    },
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/57OJA2K5AHX5HAU2QBDRWLGIIUX7GASC"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT"
    },
    {
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    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-40530 (GCVE-0-2021-40530)

Vulnerability from cvelistv5

Published

2021-09-06 18:44

Modified

2024-08-04 02:44

Severity ?

CWE

Summary

References

▼	URL	Tags
	https://eprint.iacr.org/2021/923	x_refsource_MISC
	https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1	x_refsource_MISC
	https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/57OJA2K5AHX5HAU2QBDRWLGIIUX7GASC/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJYOZGWI7TD27SEXILSM6VUTPPEICDL7/	vendor-advisory, x_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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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