FreeBSD up to 2.1.6.1 ppp HOME memory corruption

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in FreeBSD up to 2.1.6.1 (Operating System). This affects an unknown functionality of the component ppp. The manipulation of the argument HOME as part of a Environment Variable leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/19/1996 as FreeBSD-SA-96:20 as not defined advisory (Website). It is possible to read the advisory at ftp.freebsd.org. This vulnerability is uniquely identified as CVE-1999-1385. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The exploit is shared for download at archives.neohapsis.com. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7465) and Vulnerability Center (SBV-23331).

Productinfoedit

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Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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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: Proof-of-Concept
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfoedit

12/16/1996 🔍
12/19/1996 +3 days 🔍
12/19/1996 +0 days 🔍
12/19/1996 +0 days 🔍
04/09/2004 +2667 days 🔍
08/31/2009 +1970 days 🔍
04/02/2014 +1675 days 🔍
06/17/2014 +76 days 🔍
02/13/2017 +972 days 🔍

Sourcesinfoedit

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

Advisory: FreeBSD-SA-96:20
Status: Not defined

CVE: CVE-1999-1385 (🔍)
X-Force: 7465
Vulnerability Center: 23331 - FreeBSD <= 2.1 PPP HOME Environment Variable Local Privileges Escalation Vulnerability, High
OSVDB: 6085 - FreeBSD ppp HOME Environment Local Overflow

Entryinfoedit

Created: 06/17/2014 06:04 PM
Updated: 02/13/2017 10:33 AM
Changes: (9) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai exploit_date exploit_url source_osvdb_create
Complete: 🔍

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