漏洞描述
Stack-based buffer overflow in the ClientConnection::NegotiateProtocolVersion function in vncviewer/ClientConnection.cpp in vncviewer for UltraVNC 1.0.2 and 1.0.4 before 01252008, when in LISTENING mode or when using the DSM plugin, allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a modified size value.
影响产品
暂无结构化产品信息。
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
www.kb.cert.orghttp://www.kb.cert.org/vuls/id/721460↗www.vupen.comhttp://www.vupen.com/english/advisories/2008/0392↗forum.ultravnc.infohttp://forum.ultravnc.info/viewtopic.php?t=11850↗www.securityfocus.comhttp://www.securityfocus.com/bid/27561↗www.securitytracker.comhttp://www.securitytracker.com/id?1019293↗ultravnc.svn.sourceforge.nethttp://ultravnc.svn.sourceforge.net/viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/ClientConnection.cpp?sortby=date&r1=169&r2=168&pathrev=169↗sourceforge.nethttp://sourceforge.net/project/shownotes.php?release_id=571174&group_id=63887↗secunia.comhttp://secunia.com/advisories/28747↗