Vulnerability-Lookup

ubuntu-cve-2016-3995

Vulnerability from osv_ubuntu

Published

2017-02-13 18:59

Modified

2026-04-22 07:37

Summary

Details

The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.

Severity

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2016-3995	REPORT
	http://www.openwall.com/lists/oss-security/2016/04/10/6	REPORT
	https://www.cve.org/CVERecord?id=CVE-2016-3995	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcrypto++-utils",
            "binary_version": "5.6.1-6+deb8u3build0.14.04.1"
          },
          {
            "binary_name": "libcrypto++9",
            "binary_version": "5.6.1-6+deb8u3build0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libcrypto++",
        "purl": "pkg:deb/ubuntu/libcrypto++@5.6.1-6+deb8u3build0.14.04.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.1-6+deb8u3build0.14.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6.1-6",
        "5.6.1-6+deb8u1build0.14.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcrypto++-utils",
            "binary_version": "5.6.1-9ubuntu0.1"
          },
          {
            "binary_name": "libcrypto++9v5",
            "binary_version": "5.6.1-9ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "libcrypto++",
        "purl": "pkg:deb/ubuntu/libcrypto++@5.6.1-9ubuntu0.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.1-9ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6.1-8",
        "5.6.1-9"
      ]
    }
  ],
  "aliases": [],
  "details": "The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.",
  "id": "UBUNTU-CVE-2016-3995",
  "modified": "2026-04-22T07:37:58Z",
  "published": "2017-02-13T18:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3995"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/04/10/6"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-3995"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-3995"
  ]
}

CVE-2016-3995 (GCVE-0-2016-3995)

Vulnerability from cvelistv5 – Published: 2017-02-13 18:00 – Updated: 2024-08-06 00:17

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

3 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/04/11/2	mailing-listx_refsource_MLIST
https://github.com/weidai11/cryptopp/issues/146	x_refsource_CONFIRM
http://www.securityfocus.com/bid/85975	vdb-entryx_refsource_BID

Date Public

2016-03-11 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:17:29.952Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20160411 Re: CVE request: libcrypto++ - Timing Attack Counter Measure",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2016/04/11/2"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/weidai11/cryptopp/issues/146"
          },
          {
            "name": "85975",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/85975"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-03-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-02-14T10:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[oss-security] 20160411 Re: CVE request: libcrypto++ - Timing Attack Counter Measure",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2016/04/11/2"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/weidai11/cryptopp/issues/146"
        },
        {
          "name": "85975",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/85975"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-3995",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
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              "value": "The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20160411 Re: CVE request: libcrypto++ - Timing Attack Counter Measure",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2016/04/11/2"
            },
            {
              "name": "https://github.com/weidai11/cryptopp/issues/146",
              "refsource": "CONFIRM",
              "url": "https://github.com/weidai11/cryptopp/issues/146"
            },
            {
              "name": "85975",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/85975"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-3995",
    "datePublished": "2017-02-13T18:00:00.000Z",
    "dateReserved": "2016-04-10T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:17:29.952Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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

ubuntu-cve-2016-3995

Vulnerability from osv_ubuntu

CVE-2016-3995 (GCVE-0-2016-3995)

Tags

Sightings

Nomenclature