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Short Name

SMB:SAMBA:USE-AFTER-FREE-CE

Severity

Major

Recommended

Yes

Recommended Action

Drop

Category

SMB

Keywords

Samba SMB1 smb_request_done Use After Free

Release Date

2017/12/12

Update Number

3016

Supported Platforms

idp-4.1.110110609+, isg-3.4.139899+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+

SMB: Samba SMB1 smb_request_done Use After Free


A use after free vulnerability has been reported in the SMB1 component of Samba. A remote, authenticated attacker could exploit this vulnerability by sending maliciously crafted SMB1 commands to the target server. Successful exploitation could result in arbitrary code execution in the security context of the Samba service.

Extended 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.

Affected Products

  • 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
  • Samba samba 4.0.0
  • Samba samba 4.0.1
  • 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 4.0.2
  • 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 4.0.3
  • 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 4.1.0
  • Samba samba 4.1.1
  • 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 4.1.2
  • Samba samba 4.1.20
  • Samba samba 4.1.21
  • Samba samba 4.1.22
  • Samba samba 4.1.23
  • 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 4.2.0
  • Samba samba 4.2.1
  • 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 4.2.2
  • 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 4.3.0
  • Samba samba 4.3.1
  • Samba samba 4.3.10
  • Samba samba 4.3.11
  • Samba samba 4.3.12
  • Samba samba 4.3.13
  • 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 4.4.0
  • Samba samba 4.4.1
  • Samba samba 4.4.10
  • Samba samba 4.4.11
  • Samba samba 4.4.12
  • Samba samba 4.4.13
  • Samba samba 4.4.14
  • Samba samba 4.4.15
  • Samba samba 4.4.16
  • 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 4.5.0
  • Samba samba 4.5.1
  • Samba samba 4.5.10
  • Samba samba 4.5.11
  • Samba samba 4.5.12
  • Samba samba 4.5.13
  • Samba samba 4.5.14
  • Samba samba 4.5.15
  • Samba samba 4.5.16
  • 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 4.6.10
  • Samba samba 4.6.11
  • Samba samba 4.6.12
  • Samba samba 4.6.13
  • Samba samba 4.6.14
  • Samba samba 4.6.15
  • Samba samba 4.6.16
  • Samba samba 4.6.2
  • Samba samba 4.6.3
  • Samba samba 4.6.4
  • Samba samba 4.6.5
  • Samba samba 4.6.6
  • Samba samba 4.6.7
  • Samba samba 4.6.8
  • Samba samba 4.6.9
  • Samba samba 4.7.0
  • Samba samba 4.7.1
  • Samba samba 4.7.2

References

  • BugTraq: 101907
  • CVE: CVE-2017-14746

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