Vulnerability Name:

CVE-2016-1881 (CCN-109643)

Assigned:2016-01-14
Published:2016-01-14
Updated:2018-01-30
Summary:The kernel in FreeBSD 9.3, 10.1, and 10.2 allows local users to cause a denial of service (crash) or potentially gain privilege via a crafted Linux compatibility layer setgroups system call.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2016-1881

Source: CCN
Type: Oracle CPUOct2016
Oracle Critical Patch Update Advisory - October 2016

Source: CONFIRM
Type: UNKNOWN
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1034676

Source: XF
Type: UNKNOWN
freebsd-cve20161881-priv-esc(109643)

Source: CCN
Type: FreeBSD Security Advisory FreeBSD-SA-16:04.linux
Linux compatibility layer setgroups(2) system call vulnerability

Source: FREEBSD
Type: Vendor Advisory
FreeBSD-SA-16:04

Vulnerable Configuration:Configuration 1:
  • cpe:/o:freebsd:freebsd:9.3:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:10.2:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:freebsd:freebsd:9.3:*:*:*:*:*:*:*
  • OR cpe:/o:freebsd:freebsd:10.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    freebsd freebsd 9.3
    freebsd freebsd 10.1
    freebsd freebsd 10.2
    freebsd freebsd 9.3
    freebsd freebsd 10.1