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AOL Instant Messenger特殊字符处理可导致拒绝服务攻击


发布时间:2002-08-28
更新时间:2002-08-28
严重程度:
威胁程度:远程拒绝服务
错误类型:边界检查错误
利用方式:客户机模式

BUGTRAQ ID:5492

受影响系统
AOL Instant Messenger 4.4
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 95
   - Microsoft Windows 98
   - Microsoft Windows CE 2.0
   - Microsoft Windows CE 3.0
   - Microsoft Windows ME
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6
   - Microsoft Windows NT 4.0 SP6a
AOL Instant Messenger 4.5
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 95
   - Microsoft Windows 98
   - Microsoft Windows CE 2.0
   - Microsoft Windows CE 3.0
   - Microsoft Windows ME
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6
   - Microsoft Windows NT 4.0 SP6a
AOL Instant Messenger 4.6
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 98
   - Microsoft Windows CE 2.0
   - Microsoft Windows CE 3.0
   - Microsoft Windows ME
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6a
AOL Instant Messenger 4.7
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 95
   - Microsoft Windows 98
   - Microsoft Windows CE 2.0
   - Microsoft Windows CE 3.0
   - Microsoft Windows ME
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6
   - Microsoft Windows NT 4.0 SP6a
AOL Instant Messenger 4.7.2480
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 95
   - Microsoft Windows 98
   - Microsoft Windows CE 2.0
   - Microsoft Windows CE 3.0
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6
   - Microsoft Windows NT 4.0 SP6a
AOL Instant Messenger 4.8 .2646
   - Microsoft Windows 2000 Professional
   - Microsoft Windows 2000 Professional SP1
   - Microsoft Windows 2000 Professional SP2
   - Microsoft Windows 95
   - Microsoft Windows 98
   - Microsoft Windows ME
   - Microsoft Windows NT Workstation 4.0
   - Microsoft Windows NT Workstation 4.0 SP1
   - Microsoft Windows NT Workstation 4.0 SP2
   - Microsoft Windows NT Workstation 4.0 SP3
   - Microsoft Windows NT Workstation 4.0 SP4
   - Microsoft Windows NT Workstation 4.0 SP5
   - Microsoft Windows NT Workstation 4.0 SP6a
   - Microsoft Windows XP Home
AOL Instant Messenger 4.8.2616
   - Microsoft Windows 2000 Workstation
   - Microsoft Windows 2000 Workstation SP1
   - Microsoft Windows 2000 Workstation SP2
   - Microsoft Windows 95
   - Microsoft Windows 95 SR2
   - Microsoft Windows 98
   - Microsoft Windows 98SE
   - Microsoft Windows ME
   - Microsoft Windows NT 4.0
   - Microsoft Windows NT 4.0 SP1
   - Microsoft Windows NT 4.0 SP2
   - Microsoft Windows NT 4.0 SP3
   - Microsoft Windows NT 4.0 SP4
   - Microsoft Windows NT 4.0 SP5
   - Microsoft Windows NT 4.0 SP6a
   - Microsoft Windows XP
详细描述
AIM是AOL公司开发的即时聊天工具,可用于各种平台。

AIM在处理特殊字符时存在外呢体,当包含扩展ASCII字符的连接发送给用户时,在转换格式时会导致原来的缓冲区被覆盖,产生拒绝服务,目前还不知道是否能用来执行任意代码。

测试代码


解决方案


相关信息
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参考:http://www.aol.com/aim/home.html