NULL pointer dereference in Suckless Slock
CVE-2016-6866
slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Suckless Slock
- Fedoraproject Fedora — versions 24, 25
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/08/18/24 (mailing-list, Mailing List, Third Party Advisory)
- s1m0n.dft-labs.eu/files/slock/slock.txt (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/08/18/22 (mailing-list, Mailing List, Third Party Advisory)
- git.suckless.org/slock/commit/ (Patch, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.securityfocus.com/bid/92546 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-6866?
- CVE-2016-6866 is a high-severity vulnerability in Suckless Slock, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-02-15.
- How severe is CVE-2016-6866?
- High severity. CVSS v3 base score is 7.5 out of 10.