Sid 1-43004

Message

SERVER-SAMBA Samba isknownpipe arbitrary module load code execution attempt

Summary

Samba since version 3.5.0 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.

Impact

CVSS base score 9.8 CVSS impact score 5.9 CVSS exploitability score 3.9 confidentialityImpact HIGH integrityImpact HIGH availabilityImpact HIGH

CVE-2017-7494:

CVSS base score 9.8

CVSS impact score 5.9

CVSS exploitability score 3.9

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2017-7494: Samba since version 3.5.0 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.

Affected systems

• samba samba 3.5.0
• samba samba 3.5.1
• samba samba 3.5.2
• samba samba 3.5.3
• samba samba 3.5.4
• samba samba 3.5.5
• samba samba 3.5.6
• samba samba 3.5.7
• samba samba 3.5.8
• samba samba 3.5.9
• samba samba 3.5.10
• samba samba 3.5.11
• samba samba 3.5.12
• samba samba 3.5.13
• samba samba 3.5.14
• samba samba 3.5.15
• samba samba 3.5.16
• samba samba 3.5.17
• samba samba 3.5.18
• samba samba 3.5.19
• samba samba 3.5.20
• samba samba 3.5.21
• samba samba 3.5.22
• samba samba 3.6.0
• samba samba 3.6.1
• samba samba 3.6.2
• samba samba 3.6.3
• samba samba 3.6.4
• samba samba 3.6.5
• samba samba 3.6.6
• samba samba 3.6.7
• samba samba 3.6.8
• samba samba 3.6.9
• samba samba 3.6.10
• samba samba 3.6.11
• samba samba 3.6.12
• samba samba 3.6.13
• samba samba 3.6.14
• samba samba 3.6.15
• samba samba 3.6.16
• samba samba 3.6.17
• samba samba 3.6.18
• samba samba 3.6.19
• samba samba 3.6.20
• samba samba 3.6.21
• samba samba 3.6.22
• samba samba 3.6.23
• samba samba 3.6.24
• samba samba 3.6.25
• samba samba 4.0.0
• samba samba 4.0.1
• samba samba 4.0.2
• samba samba 4.0.3
• samba samba 4.0.4
• samba samba 4.0.5
• samba samba 4.0.6
• samba samba 4.0.7
• samba samba 4.0.8
• samba samba 4.0.9
• samba samba 4.0.10
• samba samba 4.0.11
• samba samba 4.0.12
• samba samba 4.0.13
• samba samba 4.0.14
• samba samba 4.0.15
• samba samba 4.0.16
• samba samba 4.0.17
• samba samba 4.0.18
• samba samba 4.0.19
• samba samba 4.0.20
• samba samba 4.0.21
• samba samba 4.0.22
• samba samba 4.0.23
• samba samba 4.0.24
• samba samba 4.0.25
• samba samba 4.0.26
• samba samba 4.1.0
• samba samba 4.1.1
• samba samba 4.1.2
• samba samba 4.1.3
• samba samba 4.1.4
• samba samba 4.1.5
• samba samba 4.1.6
• samba samba 4.1.7
• samba samba 4.1.8
• samba samba 4.1.9
• samba samba 4.1.10
• samba samba 4.1.11
• samba samba 4.1.12
• samba samba 4.1.13
• samba samba 4.1.14
• samba samba 4.1.15
• samba samba 4.1.16
• samba samba 4.1.17
• samba samba 4.1.18
• samba samba 4.1.19
• samba samba 4.1.20
• samba samba 4.1.21
• samba samba 4.1.22
• samba samba 4.1.23
• samba samba 4.2.0
• samba samba 4.2.1
• samba samba 4.2.2
• samba samba 4.2.3
• samba samba 4.2.4
• samba samba 4.2.5
• samba samba 4.2.6
• samba samba 4.2.7
• samba samba 4.2.8
• samba samba 4.2.9
• samba samba 4.2.10
• samba samba 4.2.11
• samba samba 4.2.12
• samba samba 4.2.13
• samba samba 4.2.14
• samba samba 4.3.0
• samba samba 4.3.1
• samba samba 4.3.2
• samba samba 4.3.3
• samba samba 4.3.4
• samba samba 4.3.5
• samba samba 4.3.6
• samba samba 4.3.7
• samba samba 4.3.8
• samba samba 4.3.9
• samba samba 4.3.10
• samba samba 4.3.11
• samba samba 4.4.0
• samba samba 4.4.1
• samba samba 4.4.2
• samba samba 4.4.3
• samba samba 4.4.4
• samba samba 4.4.5
• samba samba 4.4.6
• samba samba 4.4.7
• samba samba 4.4.8
• samba samba 4.4.9
• samba samba 4.4.10
• samba samba 4.4.11
• samba samba 4.4.12
• samba samba 4.4.13
• samba samba 4.5.0
• samba samba 4.5.1
• samba samba 4.5.2
• samba samba 4.5.3
• samba samba 4.5.4
• samba samba 4.5.5
• samba samba 4.5.6
• samba samba 4.5.7
• samba samba 4.5.8
• samba samba 4.5.9
• samba samba 4.6.0
• samba samba 4.6.1
• samba samba 4.6.2
• samba samba 4.6.3
• samba samba 4.6.5

Ease of attack

CVE-2017-7494:

Access Vector

Access Complexity

Authentication

False positives

None known

False negatives

None known

Corrective action

Contributors

• Talos research team.
• This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
• For more information see nvd.

Additional References

• www.samba.org/samba/security/CVE-2017-7494.html