mirc 6.34 PRIVMSG memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in mirc 6.34 and classified as critical. Affected by this vulnerability is the function PRIVMSG. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2008-4449. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in mirc 6.34 (Chat Software) and classified as critical. This issue affects the function PRIVMSG. 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, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message.

The bug was discovered 10/02/2008. The weakness was shared 10/03/2008 by securfrog (Website). It is possible to read the advisory at exploit-db.com. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2008-4449 since 10/06/2008. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by SkD and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 34471 (mIRC PRIVMSG Handling Remote Buffer Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 6.35 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8892.

The vulnerability is also documented in the databases at X-Force (45624), Exploit-DB (6666), Tenable (34471), SecurityFocus (BID 31552†) and OSVDB (48752†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: SkD
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 34471
Nessus Name: mIRC PRIVMSG Handling Remote Buffer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Saint ID: exploit_info/mirc_privmsg_hostname
Saint Name: mIRC PRIVMSG hostname buffer overflow

MetaSploit ID: mirc_privmsg_server.rb
MetaSploit Name: mIRC PRIVMSG Handling Stack Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mirc 6.35
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

10/02/2008 🔍
10/02/2008 +0 days 🔍
10/02/2008 +0 days 🔍
10/02/2008 +0 days 🔍
10/03/2008 +1 days 🔍
10/03/2008 +0 days 🔍
10/04/2008 +0 days 🔍
10/06/2008 +2 days 🔍
10/06/2008 +0 days 🔍
10/17/2008 +11 days 🔍
10/22/2008 +5 days 🔍
10/27/2008 +5 days 🔍
11/06/2024 +5853 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Researcher: securfrog
Status: Confirmed

CVE: CVE-2008-4449 (🔍)
GCVE (CVE): GCVE-0-2008-4449
GCVE (VulDB): GCVE-100-3839
X-Force: 45624 - mIRC PRIVMSG buffer overflow, High Risk
SecurityFocus: 31552 - mIRC 'PRIVMSG' Buffer Overflow Vulnerability
Secunia: 32102 - mIRC "PRIVMSG" Processing Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 48752 - mIRC PRIVMSG Message Handling Remote Overflow
Vulnerability Center: 19869 - Khaled Mardam-Bey mIRC 6.34 Vulnerability Allows Local DoS or Code Execution, Medium
Vupen: ADV-2008-2736

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

Entryinfo

Created: 10/17/2008 15:55
Updated: 11/06/2024 00:08
Changes: 10/17/2008 15:55 (105), 08/20/2019 07:47 (1), 11/06/2024 00:08 (21)
Complete: 🔍
Cache ID: 216:664:103

Be aware that VulDB is the high quality source for vulnerability data.

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