Vulnerability Name:

CVE-2016-7091 (CCN-118699)

Assigned:2016-05-24
Published:2016-05-24
Updated:2016-12-23
Summary:sudo: It was discovered that the default sudo configuration on Red Hat Enterprise Linux and possibly other Linux implementations preserves the value of INPUTRC which could lead to information disclosure. A local user with sudo access to a restricted program that uses readline could use this flaw to read content from specially formatted files with elevated privileges provided by sudo.
CVSS v3 Severity:4.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
3.6 Low (REDHAT CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2016-7091

Source: CCN
Type: RHSA-2016-2593
Low: sudo security, bug fix, and enhancement update

Source: CCN
Type: IBM Security Bulletin T1024532 (PowerKVM)
A vulnerability in sudo affects PowerKVM (CVE-2016-7091)

Source: BID
Type: Third Party Advisory, VDB Entry
92615

Source: CCN
Type: BID-92615
Sudo Local Information Disclosure Vulnerability

Source: CCN
Type: Red Hat Bugzilla - Bug 1339935
(CVE-2016-7091) CVE-2016-7091 sudo: Possible info leak via INPUTRC

Source: XF
Type: UNKNOWN
sudo-cve20167091-info-disc(118699)

Source: MLIST
Type: Third Party Advisory
[Bug-readline] 20160524 INPUTRC issues

Source: REDHAT
Type: Patch, Vendor Advisory
RHSA-2016:2593

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-7091

Vulnerable Configuration:Configuration 1:
  • cpe:/o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

    • 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:ibm:powerkvm:2.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:powerkvm:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node: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.ubuntu.xenial:def:201670910000000
    V
    		CVE-2016-7091 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-22
    oval:com.ubuntu.precise:def:20167091000
    V
    		CVE-2016-7091 on Ubuntu 12.04 LTS (precise) - medium.
    2016-12-22
    oval:com.ubuntu.trusty:def:20167091000
    V
    		CVE-2016-7091 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-12-22
    oval:com.ubuntu.xenial:def:20167091000
    V
    		CVE-2016-7091 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-12-22
    oval:com.redhat.rhsa:def:20162593
    P
    		RHSA-2016:2593: sudo security, bug fix, and enhancement update (Low)
    2016-11-03
    BACK
    redhat enterprise linux *
    redhat enterprise linux desktop 7.0
    redhat enterprise linux hpc node 7.0
    redhat enterprise linux server 7.0
    redhat enterprise linux workstation 7.0
    ibm powerkvm 2.1
    ibm powerkvm 3.1
    redhat enterprise linux desktop 7
    redhat enterprise linux hpc node 7
    redhat enterprise linux server 7
    redhat enterprise linux workstation 7