CVE-2017-14746
CRITICALCVSS 9.8/10EPSS 9.88%
Last modified
CVE-2017-14746 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.. EPSS estimates a 9.88% chance of exploitation in the next 30 days.
Description
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.0.0, < 4.5.0 |
| Samba | Samba | >= 4.5.0, < 4.5.15 |
| Samba | Samba | >= 4.6.0, < 4.6.11 |
| Samba | Samba | >= 4.7.0, < 4.7.3 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.04 |
| Canonical | Ubuntu Linux | 17.10 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- http://www.securityfocus.com/bid/101907Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278Third Party Advisory
- https://security.gentoo.org/glsa/201805-07Third Party Advisory
- https://www.debian.org/security/2017/dsa-4043Third Party Advisory
- https://www.samba.org/samba/security/CVE-2017-14746.htmlIssue Tracking, Vendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_SambaThird Party Advisory
- http://www.securityfocus.com/bid/101907Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278Third Party Advisory
- https://security.gentoo.org/glsa/201805-07Third Party Advisory
- https://www.debian.org/security/2017/dsa-4043Third Party Advisory
- https://www.samba.org/samba/security/CVE-2017-14746.htmlIssue Tracking, Vendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_SambaThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-14746?
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.
How severe is CVE-2017-14746?
CVE-2017-14746 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 9.88% probability of exploitation in the next 30 days.
How do I fix CVE-2017-14746?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-14746?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST