uTorrent peers unicode string buffer overflow

utorrent-peers-bo (39720)

Low Risk

Description:

uTorrent is vulnerable to a buffer overflow, caused by improper bounds checking of unicode strings. By sending a specially-crafted packet to a client, a remote attacker could overflow a buffer and cause the application to crash when peer details are viewed.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	3.4
Exploitability:	Proof-of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of uTorrent (1.7.6 or later), available from the uTorrent Web site. See References.

References:

• Luigi Auriemma Advisories, 16 Jan 2008: Peers static overflow in BitTorrent 6.0 and uTorrent 1.7.5.
• uTorrent Web site: uTorrent.
• BID-27321: BitTorrent and uTorrent Peers Window Remote Code Execution Vulnerability
• CVE-2008-0364: Buffer overflow in (1) BitTorrent 6.0 and earlier; and (2) uTorrent 1.7.5 and earlier, and 1.8-alpha-7834 and earlier in the 1.8.x series; on Windows allows remote attackers to cause a denial of service (application crash) via a long Unicode string representing a client version identifier.
• SA28533: uTorrent Peer Client Buffer Overflow Vulnerability
• SA28537: BitTorrent Peer Client Buffer Overflow Vulnerability

Platforms Affected:

• µTorrent µTorrent 1.7.5 and prior
• µTorrent µTorrent 1.8-alpha-7834 prior

Reported:

Jan 16, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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