Vulnerability Name:

CVE-2014-7145 (CCN-96025)

Assigned:2014-08-17
Published:2014-08-17
Updated:2023-01-17
Summary:The SMB2_tcon function in fs/cifs/smb2pdu.c in the Linux kernel before 3.16.3 allows remote CIFS servers to cause a denial of service (NULL pointer dereference and client system crash) or possibly have unspecified other impact by deleting the IPC$ share during resolution of DFS referrals.
CVSS v3 Severity:7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.6 Medium (REDHAT CVSS v2 Vector: AV:A/AC:H/Au:N/C:N/I:N/A:C)
3.4 Low (REDHAT Temporal CVSS v2 Vector: AV:A/AC:H/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-7145

Source: cve@mitre.org
Type: Patch, Issue Tracking
cve@mitre.org

Source: CCN
Type: RHSA-2015-0102
Important: kernel security and bug fix update

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: oss-security Mailing List, Wed, 17 Sep 2014 12:02:03 +0200
CVE request: [CIFS] Possible null ptr deref in SMB2_tcon

Source: CCN
Type: oss-security Mailing List, Mon, 22 Sep 2014 02:19:40 -0400 (EDT)
Re: CVE request: [CIFS] Possible null ptr deref in SMB2_tcon / Linux kernel

Source: CCN
Type: IBM Security Bulletin 1021943
PowerKVM Kernel Vulnerabilities - Multiple CVEs

Source: cve@mitre.org
Type: Release Notes, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Third Party Advisory
cve@mitre.org

Source: CCN
Type: BID-69867
Linux Kernel 'SMB2_tcon' NULL Pointer Dereference Denial of Service Vulnerability

Source: cve@mitre.org
Type: Third Party Advisory, VDB Entry
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
linux-kernel-smb2tcon-dos(96025)

Source: CCN
Type: Linux Kernel GIT Repository
Possible null ptr deref in SMB2_tcon

Source: cve@mitre.org
Type: Patch, Issue Tracking
cve@mitre.org

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:accelatech:bizsearch:3.2:-:*:*:*:linux_kernel:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:powerkvm:2.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20150102
    P
    		RHSA-2015:0102: kernel security and bug fix update (Important)
    2015-01-28
    oval:org.mitre.oval:def:28239
    P
    		USN-2395-1 -- Linux kernel vulnerabilities
    2014-12-29
    oval:org.mitre.oval:def:28115
    P
    		USN-2394-1 -- Linux kernel (Trusty HWE) vulnerabilities
    2014-12-29
    oval:com.ubuntu.precise:def:20147145000
    V
    		CVE-2014-7145 on Ubuntu 12.04 LTS (precise) - medium.
    2014-09-28
    oval:com.ubuntu.trusty:def:20147145000
    V
    		CVE-2014-7145 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-09-28
    BACK
    accelatech bizsearch 3.2 -
    redhat enterprise linux hpc node 7.0
    ibm powerkvm 2.1
    redhat enterprise linux desktop 7
    redhat enterprise linux server 7
    redhat enterprise linux workstation 7