漏洞信息详情

Dnsmasq 缓冲区错误漏洞

  • CNNVD编号:CNNVD-202101-1570
  • 危害等级: 高危
  • CVE编号: CVE-2020-25681
  • 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: 2021-02-26
  • 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dnsmasq中的基于堆的缓冲区溢出,在未经请求的DNS响应中使用DNSSEC数据验证rrset之前,对rrset进行排序。

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://bugzilla.redhat.com/show_bug.cgi?id=1881875

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:FEDORA

链接:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGB7HL3OWHTLEPSMLDGOMXQKG3KM2QME/

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WYW3IR6APUSKOYKL5FT3ACTIHWHGQY32/

来源:GENTOO

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

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:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-25681

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.huawei.com

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

受影响实体

    暂无


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