CVE-2017-7494
Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a…
Critical
Known exploited
- Severity
- 9.8 / 10
- Critical · CVSS 3.1
- Exploit chance (EPSS)
- 99.45%
- Chance of exploitation in the next 30 days. Higher than 99.94% of scored vulnerabilities.
- Known exploited
- Yes
- In CISA's catalog since Mar 30, 2023
- Weakness
- —
- Not classified
- Fix
- None yet
- No fixed version published
Exploited in the wild. Samba Remote Code Execution Vulnerability (Samba Samba). Required action: Apply updates per vendor instructions. Due for U.S. federal agencies by Apr 20, 2023. Known to be used in ransomware campaigns.
Description
Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.
How to fix
No fixed version has been published yet. Until one is, remove or replace the package, or turn off or isolate the affected feature. This page updates when a fix ships.
Severity breakdown
CVSS 3.1 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
References
Advisories
- debian.org/security/2017/dsa-3860
- securityfocus.com/bid/98636
- securitytracker.com/id/1038552
- access.redhat.com/errata/RHSA-2017:1270
- access.redhat.com/errata/RHSA-2017:1271
- access.redhat.com/errata/RHSA-2017:1272
- access.redhat.com/errata/RHSA-2017:1273
- access.redhat.com/errata/RHSA-2017:1390
- download.schneider-electric.com/files
- h20566.www2.hpe.com/hpsc/doc/public/display
- h20566.www2.hpe.com/hpsc/doc/public/display
- security.gentoo.org/glsa/201805-07
- security.netapp.com/advisory/ntap-20170524-0001
- exploit-db.com/exploits/42060
- exploit-db.com/exploits/42084
Fixes and patches
Other links
Timeline
- Published
- Added to CISA's Known Exploited Vulnerabilities catalog
- Remediation due for U.S. federal agencies
- Last updated by the source
- Latest EPSS score
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