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Dnsmasq 缓冲区错误漏洞

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漏洞信息详情

Dnsmasq 缓冲区错误漏洞

  • CNNVD编号：CNNVD-202101-1568
    • <!--
  • 危害等级： 中危-->
  • 危害等级： 中危
  • CVE编号： CVE-2020-25687
  • 漏洞类型： 缓冲区错误
  • 发布时间： 2021-01-20
  • 威胁类型： 远程
  • 更新时间： 2021-03-23
  • 厂        商：
  • 漏洞来源： Gentoo

漏洞简介

Dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。

Dnsmasq 存在缓冲区错误漏洞，该漏洞源于sort rrset子例程中的基于堆的缓冲区溢出，该子例程在启用DNSSEC时并在验证接收到的DNS条目之前发生。

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://www.jsof-tech.com/disclosures/dnspooq/

参考网址

来源:MISC

链接:https://www.jsof-tech.com/disclosures/dnspooq/

来源:DEBIAN

链接:https://www.debian.org/security/2021/dsa-4844

来源:MISC

链接:https://bugzilla.redhat.com/show_bug.cgi?id=1891568

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME/

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/03/msg00027.html

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32/

来源:GENTOO

链接:https://security.gentoo.org/glsa/202101-17

来源:us-cert.cisa.gov

链接:https://us-cert.cisa.gov/ics/advisories/icsa-21-019-01

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0692

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0420

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0231/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161085/Gentoo-Linux-Security-Advisory-202101-17.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161269/Red-Hat-Security-Advisory-2021-0281-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0699

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0864

来源:www.huawei.com

链接:https://www.huawei.com/cn/psirt/security-notices/huawei-sn-20210120-01-dnspooq-cn

来源:tools.cisco.com

链接:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnsmasq-dns-2021-c5mrdf3g

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-25687

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0987

受影响实体

    暂无


补丁

  • Dnsmasq 缓冲区错误漏洞的修复措施
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