Vulnerability Name:

CVE-2016-7118 (CCN-116625)

Assigned:2016-08-31
Published:2016-08-31
Updated:2016-11-28
Summary:fs/fcntl.c in the "aufs 3.2.x+setfl-debian" patch in the linux-image package 3.2.0-4 (kernel 3.2.81-1) in Debian wheezy mishandles F_SETFL fcntl calls on directories, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via standard filesystem operations, as demonstrated by scp from an AUFS filesystem.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
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-2016-7118

Source: MLIST
Type: UNKNOWN
[oss-security] 20160831 CVE request: Kernel Oops when issuing fcntl on an AUFS directory

Source: CCN
Type: oss-sec Mailing List, Wed, 31 Aug 2016 08:23:56 -0400 (EDT)
Re: CVE request: Kernel Oops when issuing fcntl on an AUFS directory

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160831 Re: CVE request: Kernel Oops when issuing fcntl on an AUFS directory

Source: BID
Type: UNKNOWN
92697

Source: CCN
Type: BID-92697
Linux Kernel 'fs/fcntl.c' Local Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
debian-linux-cve20167118-dos(116625)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:debian:debian_linux:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20167118000
    V
    		CVE-2016-7118 on Ubuntu 12.04 LTS (precise) - low.
    2016-08-31
    oval:com.ubuntu.trusty:def:20167118000
    V
    		CVE-2016-7118 on Ubuntu 14.04 LTS (trusty) - low.
    2016-08-31
    oval:com.ubuntu.xenial:def:20167118000
    V
    		CVE-2016-7118 on Ubuntu 16.04 LTS (xenial) - low.
    2016-08-31
    oval:com.ubuntu.xenial:def:201671180000000
    V
    		CVE-2016-7118 on Ubuntu 16.04 LTS (xenial) - low.
    2016-08-31
    BACK
    debian debian linux 7.0
    debian debian linux *