Tallemu Personal Firewall up to 3.5.0.8 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

A vulnerability was found in Tallemu Personal Firewall up to 3.5.0.8 (Firewall Software). It has been declared as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The OAmon.sys kernel driver 3.1.0.0 and earlier in Tall Emu Online Armor Personal Firewall AV+ before 3.5.0.12, and Personal Firewall 3.5 before 3.5.0.14, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \Device\OAmon containing arbitrary kernel addresses, as demonstrated using the 0x830020C3 IOCTL.

The weakness was published 07/13/2009 (Website). The advisory is shared at milw0rm.com. This vulnerability is known as CVE-2009-2450 since 07/13/2009. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by NT Internals and been published even before and not after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $0-$5k.

The vulnerability is also documented in the databases at X-Force (50960) and Exploit-DB (8875).

Productinfo

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Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.3
VulDB Temp Score: 8.6
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Functional
Author: NT Internals
Download: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2009 🔍
06/04/2009 +0 days 🔍
06/04/2009 +0 days 🔍
06/09/2009 +5 days 🔍
07/13/2009 +34 days 🔍
07/13/2009 +0 days 🔍
07/13/2009 +0 days 🔍
03/17/2015 +2073 days 🔍
12/08/2017 +997 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Status: Confirmed

CVE: CVE-2009-2450 (🔍)
X-Force: 50960 - Online Armor Personal Firewall OAmon.sys privilege escalation
SecurityFocus: 35227
Secunia: 35334 - Online Armor "OAmon.sys" IOCTL Privilege Escalation Vulnerability, Less Critical

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/17/2015 23:38
Updated: 12/08/2017 08:10
Changes: 03/17/2015 23:38 (52), 12/08/2017 08:10 (12)
Complete: 🔍

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