FreeBSD 8.4/9.1/9.2/10.0 Kernel Memory memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FreeBSD 8.4/9.1/9.2/10.0. The impacted element is an unknown function of the component Kernel Memory Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2014-3952. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in FreeBSD 8.4/9.1/9.2/10.0 (Operating System) and classified as problematic. This issue affects an unknown functionality of the component Kernel Memory Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, and integrity.

The weakness was shared 07/08/2014 by Michael Tuexen as FreeBSD-SA-14:17.kmem as confirmed advisory (Website). It is possible to read the advisory at security.FreeBSD.org. The identification of this vulnerability is CVE-2014-3952 since 06/03/2014. Attacking locally is a requirement. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 79066 (Debian DSA-3070-1 : kfreebsd-9 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Applying the patch kmem.patch is able to eliminate this problem. The bugfix is ready for download at security.FreeBSD.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (94448), Tenable (79066), SecurityFocus (BID 68466†), Secunia (SA62218†) and SecurityTracker (ID 1030539†). The entries VDB-67048, VDB-68048 and VDB-68113 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 79066
Nessus Name: Debian DSA-3070-1 : kfreebsd-9 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703070
OpenVAS Name: Debian Security Advisory DSA 3070-1 (kfreebsd-9 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: kmem.patch

Timelineinfo

06/03/2014 🔍
07/08/2014 +35 days 🔍
07/08/2014 +0 days 🔍
07/08/2014 +0 days 🔍
07/08/2014 +0 days 🔍
07/09/2014 +1 days 🔍
07/09/2014 +0 days 🔍
07/15/2014 +6 days 🔍
11/09/2014 +117 days 🔍
11/10/2014 +1 days 🔍
02/08/2022 +2647 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: FreeBSD-SA-14:17.kmem
Researcher: Michael Tuexen
Status: Confirmed

CVE: CVE-2014-3952 (🔍)
GCVE (CVE): GCVE-0-2014-3952
GCVE (VulDB): GCVE-100-67019

OVAL: 🔍

X-Force: 94448 - FreeBSD control messages information disclosure, Medium Risk
SecurityFocus: 68466 - FreeBSD CVE-2014-3952 Local Information Disclosure Vulnerability
Secunia: 62218 - Debian update for kfreebsd-9, Not Critical
SecurityTracker: 1030539 - FreeBSD Kernel Memory Initialization Flaws Lets Local Users Gain Elevated Privileges
Vulnerability Center: 46926 - FreeBSD Multiple Versions Local Information Disclosure due to Improper Buffer Initialize, Medium

See also: 🔍

Entryinfo

Created: 07/09/2014 10:47
Updated: 02/08/2022 15:53
Changes: 07/09/2014 10:47 (84), 06/11/2017 05:09 (2), 02/08/2022 15:48 (3), 02/08/2022 15:53 (1)
Complete: 🔍
Cache ID: 216:7C0:103

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