BigAntSoft BigAnt IM Message Server AntDS.exe memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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10.0$0-$5k0.00

A vulnerability, which was classified as very critical, has been found in BigAntSoft BigAnt IM Message Server (version unknown). This issue affects an unknown function of the file AntDS.exe of the component Message Server. 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:

Multiple stack-based buffer overflows in AntDS.exe in BigAntSoft BigAnt IM Message Server allow remote attackers to have an unspecified impact via (1) the filename header in an SCH request or (2) the userid component in a DUPF request.

The weakness was presented 02/24/2013 by Hamburgers Maccoy as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2012-6275 since 12/06/2012. The exploitation is known to be easy. 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. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/28/2017).

A public exploit has been developed in Ruby. The exploit is available at securityfocus.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121026 (BigAnt IM Message Server and Components Multiple Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13066.

The vulnerability is also documented in the vulnerability database at X-Force (81229). See 63622 and 63621 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 10.0

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

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OpenVAS ID: 802051
OpenVAS Name: BigAntSoft BigAnt IM Message Server Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/bigant_server_sch_dupf_overflow
Saint Name: BigAnt Server SCH and DUPF Stack Overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: bigant_server_sch_dupf_bof.rb
MetaSploit Name: BigAnt Server 2 SCH And DUPF Buffer Overflow
MetaSploit File: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

12/06/2012 🔍
01/09/2013 +34 days 🔍
01/09/2013 +0 days 🔍
02/24/2013 +46 days 🔍
02/24/2013 +0 days 🔍
04/22/2013 +57 days 🔍
03/24/2015 +701 days 🔍
04/28/2017 +766 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Researcher: Hamburgers Maccoy
Status: Confirmed

CVE: CVE-2012-6275 (🔍)
X-Force: 81229
Vulnerability Center: 39279 - BigAntSoft BigAnt IM Message Server Ant.DS.exe Multiple Stack-Based Buffer Overflow Vulnerabilities, High
SecurityFocus: 57214 - BigAnt IM Server Multiple Security Vulnerabilities

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

Entryinfo

Created: 03/24/2015 12:22
Updated: 04/28/2017 08:50
Changes: 03/24/2015 12:22 (73), 04/28/2017 08:50 (9)
Complete: 🔍

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