github - ghsa-944j-8ch6-rf6x

ghsa-944j-8ch6-rf6x

Vulnerability from github

Published

2024-02-05 21:30

Modified

2024-02-05 22:41

Severity ?

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657

Details

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "m2crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.40.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-50781"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-208"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-05T22:41:57Z",
    "nvd_published_at": "2024-02-05T21:15:10Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.",
  "id": "GHSA-944j-8ch6-rf6x",
  "modified": "2024-02-05T22:41:57Z",
  "published": "2024-02-05T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50781"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-50781"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254426"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.com/m2crypto/m2crypto"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/m2crypto/m2crypto/-/issues/342"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657"
}

cve-2023-50781

Vulnerability from cvelistv5

Published

2024-02-05 20:45

Modified

2024-11-06 14:45

Severity ?

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

Summary

M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2023-50781	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2254426	issue-tracking, x_refsource_REDHAT

Impacted products

▼	Vendor	Product

	Red Hat	Red Hat Enterprise Linux 6
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 9
	Red Hat	Red Hat Enterprise Linux 9
	Red Hat	Red Hat Update Infrastructure 4 for Cloud Providers
	Red Hat	Red Hat Virtualization 4

Show details on NVD website

JSON

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                "id": "CVE-2023-50781",
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                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-06T15:33:02.354051Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          },
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        ],
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitlab.com/m2crypto/m2crypto",
          "defaultStatus": "affected",
          "packageName": "m2crypto"
        },
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9"
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          "defaultStatus": "unaffected",
          "packageName": "pywbem",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat"
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          "cpes": [
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    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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