FreeBSD 10.0 VIQR iconv_open null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD 10.0. It has been rated as problematic. The affected element is the function iconv_open of the component VIQR Module. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2014-3951. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in FreeBSD 10.0 (Operating System). This affects the function iconv_open of the component VIQR Module. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was published 06/24/2014 by Manuel Mausz and Tijl Coosemans as FreeBSD-SA-14:15 as confirmed advisory (Website). The advisory is shared at security.FreeBSD.org. The public release has been coordinated with the project team. This vulnerability is uniquely identified as CVE-2014-3951 since 06/03/2014. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 92904 (FreeBSD : FreeBSD -- iconv(3) NULL pointer dereference and out-of-bounds array access (6f91a709-6007-11e6-a6c3-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Applying the patch SA-14:15 is able to eliminate this problem. The bugfix is ready for download at security.FreeBSD.org. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (94007), Tenable (92904), SecurityFocus (BID 68178†), SecurityTracker (ID 1030458†) and Vulnerability Center (SBV-45123†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92904
Nessus Name: FreeBSD : FreeBSD -- iconv(3) NULL pointer dereference and out-of-bounds array access (6f91a709-6007-11e6-a6c3-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: SA-14:15

Timelineinfo

04/03/2014 🔍
06/03/2014 +61 days 🔍
06/24/2014 +21 days 🔍
06/24/2014 +0 days 🔍
06/24/2014 +0 days 🔍
06/25/2014 +1 days 🔍
06/26/2014 +1 days 🔍
08/21/2014 +56 days 🔍
03/17/2015 +208 days 🔍
08/04/2021 +2332 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: FreeBSD-SA-14:15
Researcher: Manuel Mausz, Tijl Coosemans
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-3951 (🔍)
GCVE (CVE): GCVE-0-2014-3951
GCVE (VulDB): GCVE-100-46305
X-Force: 94007 - FreeBSD iconv_open denial of service, Medium Risk
SecurityFocus: 68178 - FreeBSD 'iconv_open' Function Remote Multiple Denial of Service Vulnerabilities
SecurityTracker: 1030458 - FreeBSD Memory Errors in iconv(3) Let Remote Users Deny Service
Vulnerability Center: 45123 - FreeBSD 10.0 Remote DoS Vulnerability via a Crafted Email, Medium

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/04/2021 11:54
Changes: 03/17/2015 16:11 (72), 05/31/2017 09:09 (5), 08/04/2021 11:46 (3), 08/04/2021 11:54 (1)
Complete: 🔍
Cache ID: 216:C34:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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