Unreal Engine 1/2/2.5 UpdateConnectingMessage memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Unreal Engine 1/2/2.5. The affected element is the function UGameEngine::UpdateConnectingMessage. This manipulation causes memory corruption. This vulnerability appears as CVE-2010-2702. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Unreal Engine 1/2/2.5 and classified as critical. Affected by this vulnerability is the function UGameEngine::UpdateConnectingMessage. 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:

Buffer overflow in the UGameEngine::UpdateConnectingMessage function in the Unreal engine 1, 2, and 2.5, as used in multiple games including Unreal Tournament 2004, Unreal tournament 2003, Postal 2, Raven Shield, and SWAT4, when downloads are enabled, allows remote attackers to execute arbitrary code via a long LEVEL field in a WELCOME response to a download request.

The weakness was presented 07/07/2010 by Luigi Auriemma (Website). The advisory is shared at aluigi.altervista.org. This vulnerability is known as CVE-2010-2702 since 07/12/2010. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

After even before and not, there has been an exploit disclosed. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. 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.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at aluigi.altervista.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (60142), SecurityFocus (BID 41424†), OSVDB (66039†) and Secunia (SA40466†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: aluigi.altervista.org

Timelineinfo

07/06/2010 🔍
07/06/2010 +0 days 🔍
07/07/2010 +1 days 🔍
07/07/2010 +0 days 🔍
07/07/2010 +0 days 🔍
07/12/2010 +4 days 🔍
07/12/2010 +0 days 🔍
07/19/2010 +7 days 🔍
04/24/2018 +2836 days 🔍

Sourcesinfo

Advisory: aluigi.altervista.org
Researcher: Luigi Auriemma
Status: Not defined

CVE: CVE-2010-2702 (🔍)
GCVE (CVE): GCVE-0-2010-2702
GCVE (VulDB): GCVE-100-4153
X-Force: 60142 - Unreal Engine UGameEngine::UpdateConnectingMessage() buffer overflow, High Risk
SecurityFocus: 41424
Secunia: 40466 - Unreal Engine "UGameEngine::UpdateConnectingMessage()" Buffer Overflow, Moderately Critical
OSVDB: 66039 - Unreal Engine Multiple Product UGameEngine::UpdateConnectingMessage() Function Remote Overflow

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

Entryinfo

Created: 07/19/2010 02:00
Updated: 04/24/2018 08:45
Changes: 07/19/2010 02:00 (67), 04/24/2018 08:45 (8)
Complete: 🔍
Cache ID: 216:D61:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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