National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-0728 Detail

Description

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

Source:  MITRE
Description Last Modified:  02/07/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html
http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/
http://rhn.redhat.com/errata/RHSA-2016-0064.html
http://rhn.redhat.com/errata/RHSA-2016-0065.html
http://rhn.redhat.com/errata/RHSA-2016-0068.html
http://source.android.com/security/bulletin/2016-03-01.html Vendor Advisory
http://www.debian.org/security/2016/dsa-3448
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1 Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/2
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.securityfocus.com/bid/81054
http://www.securitytracker.com/id/1034701
http://www.ubuntu.com/usn/USN-2870-1
http://www.ubuntu.com/usn/USN-2870-2
http://www.ubuntu.com/usn/USN-2871-1
http://www.ubuntu.com/usn/USN-2871-2
http://www.ubuntu.com/usn/USN-2872-1
http://www.ubuntu.com/usn/USN-2872-2
http://www.ubuntu.com/usn/USN-2872-3
http://www.ubuntu.com/usn/USN-2873-1
https://bto.bluecoat.com/security-advisory/sa112
https://bugzilla.redhat.com/show_bug.cgi?id=1297475
https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
https://security.netapp.com/advisory/ntap-20160211-0001/
https://www.exploit-db.com/exploits/39277/

Technical Details

Vulnerability Type (View All)

Change History

16 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-0728
NVD Published Date:
02/07/2016
NVD Last Modified:
11/09/2017