Yahoo! Messenger up to 5.6.0.1347 YAUTO.DLL memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Yahoo! Messenger up to 5.6.0.1347 and classified as problematic. Impacted is an unknown function in the library YAUTO.DLL. Performing a manipulation results in memory corruption. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in Yahoo! Messenger up to 5.6.0.1347 (Messaging Software). This affects an unknown part in the library YAUTO.DLL. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/03/2003 by Tri Huynh (Silent) with SentryUnion (Website). It is possible to read the advisory at lists.netsys.com. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a exploit are known.

The exploit is shared for download at lists.netsys.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.netsys.com.

The vulnerability is also documented in the databases at X-Force (13889), SecurityFocus (BID 9145†), OSVDB (2894†), Secunia (SA10342†) and SecurityTracker (ID 1008362†). Further details are available at security-gui.de. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Messaging Software

Vendor

• Yahoo!

Name

• Messenger

Version

• 5.6.0.1347

License

• free

Website

• Vendor: https://www.yahoo.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lists.netsys.com

Timelineinfo

12/03/2003 🔍
12/03/2003 +0 days 🔍
12/03/2003 +0 days 🔍
12/03/2003 +0 days 🔍
12/03/2003 +0 days 🔍
12/03/2003 +0 days 🔍
06/27/2019 +5685 days 🔍

Sourcesinfo

Vendor: yahoo.com

Advisory: lists.netsys.com
Researcher: Tri Huynh (Silent)
Organization: SentryUnion
Status: Confirmed

GCVE (VulDB): GCVE-100-423
X-Force: 13889 - Yahoo! Messenger YAUTO.DLL ActiveX buffer overflow, High Risk
SecurityFocus: 9145 - Yahoo! Messenger YAuto.DLL Open Buffer Overflow Vulnerability
Secunia: 10342 - Yahoo! Messenger "yauto.dll" Buffer Overflow Vulnerability, Highly Critical
OSVDB: 2894 - Yahoo! Messenger YAUTO.DLL ActiveX Component Remote Overflow
SecurityTracker: 1008362
SecuriTeam: securiteam.com

Misc.: 🔍

Entryinfo

Created: 12/03/2003 13:50
Updated: 06/27/2019 11:18
Changes: 12/03/2003 13:50 (71), 06/27/2019 11:18 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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