Linux Kernel 3.16.0/3.16.1 ISOFS Subsystem parse_rock_ridge_inode_internal input validation

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5.4$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Linux Kernel 3.16.0/3.16.1 (Operating System). This issue affects the function parse_rock_ridge_inode_internal of the component ISOFS Subsystem. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-20. Impacted is availability.

The issue has been introduced in 08/03/2014. The weakness was released 08/26/2014 with Google as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2014-5472 since 08/26/2014. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 80088 (CentOS 6 : kernel (CESA-2014:1997)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157011 (Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2014-3106)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at SecurityFocus (BID 69428), X-Force (95556), Vulnerability Center (SBV-45969) and Tenable (80088). bugzilla.redhat.com is providing further details. Entry connected to this vulnerability is available at 70785.

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VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 80088
Nessus Name: CentOS 6 : kernel (CESA-2014:1997)
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OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-0102
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Countermeasuresinfoedit

Recommended: Patch
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0-Day Time: 🔍

Patch: github.com

Timelineinfoedit

08/03/2014 🔍
08/26/2014 +23 days 🔍
08/26/2014 +0 days 🔍
08/26/2014 +0 days 🔍
08/29/2014 +3 days 🔍
08/31/2014 +2 days 🔍
08/31/2014 +0 days 🔍
09/02/2014 +2 days 🔍
04/10/2017 +951 days 🔍
06/05/2017 +56 days 🔍

Sourcesinfoedit

Vendor: https://www.kernel.org/

Advisory: seclists.org
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-5472 (🔍)
OVAL: 🔍

SecurityFocus: 69428 - Linux Kernel 'ISOFS' Deadlock Local Denial of Service Vulnerability
X-Force: 95556 - Linux Kernel ISOFS denial of service, Medium Risk
Vulnerability Center: 45969 - Linux Kernel Through 3.16.1 Local DoS via a Crafted iso9660 Image - CVE-2014-5472, Medium

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Entryinfoedit

Created: 08/29/2014 10:02 AM
Updated: 06/05/2017 10:45 AM
Changes: (6) advisory_confirm_url source_cve_assigned source_openvas_id source_openvas_filename source_openvas_title source_openvas_family
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