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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-202006-1176
    • <!--
  • 危害等级： 高危-->
  • 危害等级： 高危
  • CVE编号： CVE-2019-20839
  • 漏洞类型： 缓冲区错误
  • 发布时间： 2020-06-17
  • 威胁类型： 远程
  • 更新时间： 2021-05-24
  • 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 0.9.13之前版本中的libvncclient/sockets.c文件存在缓冲区错误漏洞。远程攻击者可利用该漏洞导致服务器崩溃。

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/3fd03977c9b35800d73a865f167338cb4d05b0c1

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://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html

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:MISC

链接:https://github.com/LibVNC/libvncserver/commit/3fd03977c9b35800d73a865f167338cb4d05b0c1

来源:SUSE

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

来源:UBUNTU

链接:https://usn.ubuntu.com/4434-1/

来源:SUSE

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

来源:www.auscert.org.au

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

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2019-20839

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2248/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2535/

来源:www.auscert.org.au

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

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021052205

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1705

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/162682/Red-Hat-Security-Advisory-2021-1811-01.html

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/LibVNCServer-buffer-overflow-via-Long-Socket-Filename-32650

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/158543/Ubuntu-Security-Notice-USN-4434-1.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.2972/

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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