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RootSSV:20213HistoryOct 29, 2010 - 12:00 a.m.
Pidgin purple_base64_decode()函数空指针引用拒绝服务漏洞
2010-10-2900:00:00
Root
www.seebug.org
16
0.008 Low
EPSS
Percentile
79.6%
BUGTRAQ ID: 44283
CVE ID: CVE-2010-3711
Pidgin是支持多种协议的即时通讯客户端。
Pidgin所使用的libpurple库没有充分地验证Yahoo!、MSN、MySpaceIM和XMPP协议插件及NTLM认证支持中所使用的 purple_base64_decode()函数的返回值，远程攻击者可以通过base64编码的消息触发空指针引用，导致拒绝服务的情况。
Pidgin < 2.7.4
厂商补丁：
RedHat
RedHat已经为此发布了一个安全公告（RHSA-2010:0788-01）以及相应补丁:
RHSA-2010:0788-01：Moderate: pidgin security update
链接：https://www.redhat.com/support/errata/RHSA-2010-0788.html
Pidgin
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：
http://developer.pidgin.im/viewmtn/revision/info/b01c6a1f7fe4d86b83f5f10917b3cb713989cfcc
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