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LibVNCServer 缓冲区错误漏洞

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漏洞信息详情

LibVNCServer 缓冲区错误漏洞

  • CNNVD编号：CNNVD-202006-1844
    • <!--
  • 危害等级： 超危-->
  • 危害等级： 超危
  • CVE编号： CVE-2017-18922
  • 漏洞类型： 缓冲区错误
  • 发布时间： 2020-06-30
  • 威胁类型： 远程
  • 更新时间： 2020-09-03
  • 厂        商：
  • 漏洞来源： Red Hat

漏洞简介

LibVNCServer是一款支持在程序中实现VNC（虚拟网络计算）服务器或客户端功能的跨平台C语言库。

LibVNCServer 9.12之前版本中的websockets.c文件存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

漏洞公告

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：

https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433

参考网址

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html

来源:MISC

链接:https://www.openwall.com/lists/oss-security/2020/06/30/2

来源:MISC

链接:https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/06/30/3

来源:MISC

链接:https://bugzilla.redhat.com/show_bug.cgi?id=1852356

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html

来源:UBUNTU

链接:https://usn.ubuntu.com/4407-1/

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html

来源:SUSE

链接:http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/158880/Red-Hat-Security-Advisory-2020-3456-01.html

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2017-18922

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/158725/Red-Hat-Security-Advisory-2020-3281-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2469/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/158809/Red-Hat-Security-Advisory-2020-3385-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2831/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2657/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2746/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/159024/Red-Hat-Security-Advisory-2020-3588-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2727/

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/LibVNCServer-buffer-overflow-via-websockets-c-32696

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.3000/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/158281/Ubuntu-Security-Notice-USN-4407-1.html

受影响实体

    暂无


补丁

  • LibVNCServer 缓冲区错误漏洞的修复措施
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