Vulnerability-Lookup

ubuntu-cve-2016-6866

Vulnerability from osv_ubuntu

Published

2017-02-15 19:59

Modified

2025-09-08 16:43

Summary

Details

slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.

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)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-6866	REPORT
	http://www.openwall.com/lists/oss-security/2016/0…	REPORT
	http://s1m0n.dft-labs.eu/files/slock/	REPORT
	https://www.cve.org/CVERecord?id=CVE-2016-6866	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "suckless-tools",
            "binary_version": "40-1+deb8u2build0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "suckless-tools",
        "purl": "pkg:deb/ubuntu/suckless-tools@40-1+deb8u2build0.14.04.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "40-1+deb8u2build0.14.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "38-2",
        "40-1"
      ]
    }
  ],
  "aliases": [],
  "details": "slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.",
  "id": "UBUNTU-CVE-2016-6866",
  "modified": "2025-09-08T16:43:50Z",
  "published": "2017-02-15T19:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-6866"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/08/18/22"
    },
    {
      "type": "REPORT",
      "url": "http://s1m0n.dft-labs.eu/files/slock/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-6866"
    }
  ],
  "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": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-6866"
  ]
}

CVE-2016-6866 (GCVE-0-2016-6866)

Vulnerability from cvelistv5 – Published: 2017-02-15 19:00 – Updated: 2024-08-06 01:43

Summary

slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

7 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/0…	mailing-listx_refsource_MLIST
http://s1m0n.dft-labs.eu/files/slock/slock.txt	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2016/0…	mailing-listx_refsource_MLIST
http://git.suckless.org/slock/commit/?id=d8bec0f6…	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.securityfocus.com/bid/92546	vdb-entryx_refsource_BID

Date Public

2016-08-18 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "http://s1m0n.dft-labs.eu/files/slock/slock.txt"
          },
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            "url": "http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29"
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        ],
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        },
        {
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          ],
          "url": "http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29"
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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.

Action not permitted

ubuntu-cve-2016-6866

Vulnerability from osv_ubuntu

CVE-2016-6866 (GCVE-0-2016-6866)

Tags

Sightings

Nomenclature