CVEvulnerability

CVE-2016-6866

7.5 HIGH Published 2017-02-15 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2017-02-15
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.0 ([email protected]): 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses: CWE-476

Description

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

Affected configurations

• suckless slock (<= 1.3) • fedoraproject fedora 24 • fedoraproject fedora 25

Related

Weakness · CWE (1)

CWE-476 NULL Pointer Dereference weakness

References

http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Patch, Vendor Advisory
http://s1m0n.dft-labs.eu/files/slock/slock.txt Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/22 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/24 Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/92546 Third Party Advisory, VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/ lists.fedoraproject.org
http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Patch, Vendor Advisory
http://s1m0n.dft-labs.eu/files/slock/slock.txt Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/22 Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/24 Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/92546 Third Party Advisory, VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/ lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/ lists.fedoraproject.org