Vulnerability-Lookup

ubuntu-cve-2016-3959

Vulnerability from osv_ubuntu

Published

2016-05-23 19:59

Modified

2025-07-16 04:51

Summary

Details

The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted public key to a program that uses HTTPS client certificates or SSH server libraries.

Severity

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2016-3959	REPORT
	https://golang.org/cl/21533	REPORT
	http://seclists.org/oss-sec/2016/q2/11	REPORT
	https://www.cve.org/CVERecord?id=CVE-2016-3959	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-1.6",
            "binary_version": "1.6.1-0ubuntu1"
          },
          {
            "binary_name": "golang-1.6-doc",
            "binary_version": "1.6.1-0ubuntu1"
          },
          {
            "binary_name": "golang-1.6-go",
            "binary_version": "1.6.1-0ubuntu1"
          },
          {
            "binary_name": "golang-1.6-go-dbgsym",
            "binary_version": "1.6.1-0ubuntu1"
          },
          {
            "binary_name": "golang-1.6-src",
            "binary_version": "1.6.1-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "golang-1.6",
        "purl": "pkg:deb/ubuntu/golang-1.6@1.6.1-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.1-0ubuntu1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6-0ubuntu1",
        "1.6-0ubuntu2",
        "1.6-0ubuntu3",
        "1.6-0ubuntu4",
        "1.6-0ubuntu5"
      ]
    }
  ],
  "aliases": [],
  "details": "The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted public key to a program that uses HTTPS client certificates or SSH server libraries.",
  "id": "UBUNTU-CVE-2016-3959",
  "modified": "2025-07-16T04:51:16Z",
  "published": "2016-05-23T19:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-3959"
    },
    {
      "type": "REPORT",
      "url": "https://golang.org/cl/21533"
    },
    {
      "type": "REPORT",
      "url": "http://seclists.org/oss-sec/2016/q2/11"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-3959"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-3959"
  ],
  "withdrawn": "2025-07-18T16:43:29Z"
}

CVE-2016-3959 (GCVE-0-2016-3959)

Vulnerability from cvelistv5 – Published: 2016-05-23 19:00 – Updated: 2024-08-06 00:10

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

9 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/04/05/2	mailing-listx_refsource_MLIST
https://go-review.googlesource.com/#/c/21533/	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1538.html	vendor-advisoryx_refsource_REDHAT
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://groups.google.com/forum/#%21topic/golang-…	mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/04/05/1	mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA

Date Public

2016-04-05 00:00

Show details on NVD website

JSON

To clipboard

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          },
          {
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

ubuntu-cve-2016-3959

Vulnerability from osv_ubuntu

CVE-2016-3959 (GCVE-0-2016-3959)

Tags

Sightings

Nomenclature