Linux Kernel 3.16.0/3.16.1 ISOFS Subsystem parse_rock_ridge_inode_internal input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 3.16.0/3.16.1. This affects the function parse_rock_ridge_inode_internal of the component ISOFS Subsystem. The manipulation leads to input validation. This vulnerability is documented as CVE-2014-5472. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

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 input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel through 3.16.1 allows local users to cause a denial of service (unkillable mount process) via a crafted iso9660 image with a self-referential CL entry.

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 X-Force (95556), Tenable (80088), SecurityFocus (BID 69428†) and Vulnerability Center (SBV-45969†). bugzilla.redhat.com is providing further details. Entry connected to this vulnerability is available at VDB-70785. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

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

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

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
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Nessus ID: 80088
Nessus Name: CentOS 6 : kernel (CESA-2014:1997)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-0102
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 410dd3cf4c9b36f27ed4542ee18b1af5e68645a4

Timelineinfo

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 🔍
02/11/2022 +2719 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2014:1997
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-5472 (🔍)
GCVE (CVE): GCVE-0-2014-5472
GCVE (VulDB): GCVE-100-67421

OVAL: 🔍

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

Misc.: 🔍
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Entryinfo

Created: 08/29/2014 10:02
Updated: 02/11/2022 07:18
Changes: 08/29/2014 10:02 (76), 06/05/2017 10:45 (6), 02/11/2022 07:05 (3), 02/11/2022 07:12 (1), 02/11/2022 07:18 (2)
Complete: 🔍
Cache ID: 216:8B9:103

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