Vulnerability CVE-2016-2781

Vulnerability Name:

CVE-2016-2781 (CCN-111088)

Assigned:

2016-02-28

Published:

2016-02-28

Updated:

2021-02-25

Summary:

chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:U/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

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:U/RC:R)

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:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

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-20

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2016-2781

Source: CCN
Type: oss-sec Mailing List, Sun, 28 Feb 2016 17:14:09 +0500
Re: Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl

Source: CCN
Type: oss-sec Mailing List, Sun, 28 Feb 2016 09:44:34 -0500 (EST)
Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl -- chroot

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160228 Re: Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160228 Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl -- chroot

Source: XF
Type: UNKNOWN
utillinux-cve20162781-priv-esc(111088)

Source: MLIST
Type: UNKNOWN
[mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar

Source: CCN
Type: IBM Security Bulletin 6551876 (Cloud Pak for Security)
Cloud Pak for Security uses packages that are vulnerable to multiple CVEs

Source: CCN
Type: IBM Security Bulletin 6998727 (Cloud Pak for Automation)
Security vulnerabilities are addressed with IBM Cloud Pak for Business

Source: CCN
Type: util-linux We site
Index of /pub/linux/utils/util-linux

Vulnerable Configuration:

Configuration 1:

cpe:/a:gnu:coreutils:*:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:kernel:util-linux:2.24.2-1:*:*:*:*:*:*:*

AND

cpe:/a:ibm:cloud_pak_for_automation:19.0.3:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:20.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:20.0.2:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:20.0.3:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:21.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:21.0.2:-:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_security:1.7.2.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:19.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_automation:19.0.2:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:18.0.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:18.0.2:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:19.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:19.0.3:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:20.0.1:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:20.0.3:*:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.1:-:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.2:-:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:21.0.3:-:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:22.0.1:-:*:*:*:*:*:*

OR cpe:/a:ibm:cloud_pak_for_business_automation:22.0.2:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201627810000000	V	CVE-2016-2781 on Ubuntu 18.04 LTS (bionic) - low.	2017-02-07
oval:com.ubuntu.artful:def:20162781000	V	CVE-2016-2781 on Ubuntu 17.10 (artful) - low.	2017-02-07
oval:com.ubuntu.trusty:def:20162781000	V	CVE-2016-2781 on Ubuntu 14.04 LTS (trusty) - low.	2017-02-07
oval:com.ubuntu.xenial:def:201627810000000	V	CVE-2016-2781 on Ubuntu 16.04 LTS (xenial) - low.	2017-02-07
oval:com.ubuntu.bionic:def:20162781000	V	CVE-2016-2781 on Ubuntu 18.04 LTS (bionic) - low.	2017-02-07
oval:com.ubuntu.xenial:def:20162781000	V	CVE-2016-2781 on Ubuntu 16.04 LTS (xenial) - low.	2017-02-07
oval:com.ubuntu.disco:def:201627810000000	V	CVE-2016-2781 on Ubuntu 19.04 (disco) - low.	2017-02-07
oval:com.ubuntu.cosmic:def:20162781000	V	CVE-2016-2781 on Ubuntu 18.10 (cosmic) - low.	2017-02-07
oval:com.ubuntu.cosmic:def:201627810000000	V	CVE-2016-2781 on Ubuntu 18.10 (cosmic) - low.	2017-02-07
oval:com.ubuntu.precise:def:20162781000	V	CVE-2016-2781 on Ubuntu 12.04 LTS (precise) - medium.	2017-02-07

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