FreeBSD 2.1.6 libc setlocale PATH_LOCALE memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

A vulnerability classified as critical was found in FreeBSD 2.1.6 (Operating System). Affected by this vulnerability is the function setlocale in the library libc. The manipulation of the argument PATH_LOCALE as part of a Environment Variable leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in FreeBSD setlocale in the libc module allows attackers to execute arbitrary code via a long PATH_LOCALE environment variable.

The weakness was released 02/05/1997 (Website). It is possible to read the advisory at osvdb.org. This vulnerability is known as CVE-1999-0964. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3829) and Vulnerability Center (SBV-23368).

Productinfoedit

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Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

02/05/1997 🔍
02/05/1997 +0 days 🔍
01/01/2000 +1060 days 🔍
04/09/2004 +1559 days 🔍
09/02/2009 +1972 days 🔍
04/01/2014 +1672 days 🔍
06/23/2014 +83 days 🔍
02/13/2017 +966 days 🔍

Sourcesinfoedit

Product: https://www.freebsd.org/

Advisory: osvdb.org
Status: Not defined

CVE: CVE-1999-0964 (🔍)
X-Force: 3829
Vulnerability Center: 23368 - FreeBSD 2.1.6 Setlocale Libc Module Arbitrary Code Execution Vulnerability, High
OSVDB: 6086 - FreeBSD libc setlocale() PATH_LOCALE Variable Overflow

Entryinfoedit

Created: 06/23/2014 01:20 PM
Updated: 02/13/2017 12:33 PM
Changes: (6) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
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