Wesnoth UTF-8 denial of service
| wesnoth-utf8-dos (37047) |  Low Risk |
Description:
Wesnoth is vulnerable to a denial of service, caused by an unspecified error when processing UTF-8 strings in the multiplayer engine. A remote attacker could exploit this vulnerability using invalid UTF-8 strings to crash the Wesnoth client.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of Wesnoth (1.2.7 or later), available from the Wesnoth Web site. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Battle for Wesnoth Web site: Wesnoth.
- SVN Repositories at Gna!: wesnoth: tags/1.2.7/changelog.
- BID-25995: Wesnoth Client UTF-8 Remote Denial of Service Vulnerability
- CVE-2007-3917: The multiplayer engine in Wesnoth 1.2.x before 1.2.7 and 1.3.x before 1.3.9 allows remote servers to cause a denial of service (crash) via a long message with multibyte characters that can produce an invalid UTF-8 string after it is truncated, which triggers an uncaught exception, involving the truncate_message function in server/server.cpp. NOTE: this issue affects both clients and servers.
- DSA-1386: wesnoth -- programming error
- SA27137: Wesnoth UTF-8 Denial of Service Vulnerability
- VUPEN/ADV-2007-3449: Wesnoth truncate_message() UTF-8 Data Denial of Service Vulnerability
Platforms Affected:
- Debian Debian Linux 3.1
- Debian Debian Linux 4.0
- Wesnoth Wesnoth prior to 1.2.7
Reported:
Oct 09, 2007
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.