Home/CVE/Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted S
CVE

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 S

Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

CRITICAL · CVSS 9.8 EPSS 0.31253
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

9
samba>= 4.0.0 and < 4.5.0
samba>= 4.5.0 and < 4.5.15
samba>= 4.6.0 and < 4.6.11
samba>= 4.7.0 and < 4.7.3
canonical ubuntu linuxall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Nov 2017 · 10:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

9
suse-csafopenSUSE-SU-2024:11365-1
suse-csafSUSE-SU-2018:2321-1
suse-csafSUSE-SU-2017:3155-1
suse-csafSUSE-SU-2017:3104-1
suse-csafSUSE-SU-2017:3086-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/101907Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039856Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3486-1Third Party Advisory
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usThird Party Advisory
https://www.debian.org/security/2017/dsa-4043Third Party Advisory
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