github - ghsa-8q3f-94v5-w475

GHSA-8Q3F-94V5-W475

Vulnerability from github – Published: 2022-05-17 03:03 – Updated: 2025-04-20 03:31

Details

The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.

Severity ?

5.9 (Medium)


                  
                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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  "affected": [],
  "aliases": [
    "CVE-2016-8671"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-01-13T16:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.",
  "id": "GHSA-8q3f-94v5-w475",
  "modified": "2025-04-20T03:31:11Z",
  "published": "2022-05-17T03:03:36Z",
  "references": [
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    },
    {
      "type": "WEB",
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    },
    {
      "type": "WEB",
      "url": "https://blog.fuzzing-project.org/54-Update-on-MatrixSSL-miscalculation-CVE-2016-8671,-incomplete-fix-for-CVE-2016-6887.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/10/15/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/10/15/8"
    },
    {
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      "url": "http://www.securityfocus.com/bid/95439"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-8671 (GCVE-0-2016-8671)

Vulnerability from cvelistv5 – Published: 2017-01-13 16:00 – Updated: 2024-08-06 02:27

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.openwall.com/lists/oss-security/2016/10/15/8	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2016/10/15/2	mailing-listx_refsource_MLIST
	http://www.securityfocus.com/bid/95439	vdb-entryx_refsource_BID
	https://blog.fuzzing-project.org/54-Update-on-Mat…	x_refsource_MISC

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-8Q3F-94V5-W475

CVE-2016-8671 (GCVE-0-2016-8671)

Tags

Sightings

Nomenclature