漏洞信息详情
QEMU 缓冲区错误漏洞
- CNNVD编号:CNNVD-202106-1247
- 危害等级: 低危
- CVE编号: CVE-2021-3594
- 漏洞类型: 缓冲区错误
- 发布时间: 2021-06-14
- 威胁类型: 本地
- 更新时间: 2022-05-20
- 厂 商:
- 漏洞来源:
漏洞简介
QEMU(Quick Emulator)是法国法布里斯-贝拉(Fabrice Bellard)个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。
QEMU 的 slirp 存在安全漏洞,该漏洞源于函数 udp6_input() 处理来自来宾的小于 udphdr 结构大小的 udp 数据包时,它使用工作 mbuf 缓冲区外部的内存。此问题可能会导致对来宾的越界读取访问或间接内存泄露。
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://bugzilla.redhat.com/show_bug.cgi?id=1970491
参考网址
来源:CONFIRM
链接:https://security.netapp.com/advisory/ntap-20210805-0004/
来源:MLIST
链接:https://lists.debian.org/debian-lts-announce/2021/09/msg00000.HTML
来源:MISC
链接:https://bugzilla.redhat.com/show_bug.cgi?id=1970491
来源:GENTOO
链接:https://security.gentoo.org/glsa/202107-44
来源:FEDORA
链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/SGPQZFVJCFGDSISFXPCQTTBBD7QZLJKI/
来源:FEDORA
链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/GCKWZWY64EHTOQMLVLTSZ4AA27EWRJMH/
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/163556/Gentoo-Linux-Security-Advisory-202107-44.HTML
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2619
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2415
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2987
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2998
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2479
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.3557
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/163518/Ubuntu-Security-Notice-USN-5009-1.HTML
来源:www.cybersecurity-help.cz
链接:https://www.cybersecurity-help.cz/vdb/SB2021072002
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2527
来源:www.cybersecurity-help.cz
链接:https://www.cybersecurity-help.cz/vdb/SB2021062221
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2561
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/164865/Red-Hat-Security-Advisory-2021-4191-03.HTML
来源:vigilance.fr
链接:https://vigilance.fr/vulnerability/libslirp-four-vulnerabilities-35700
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2670
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.3791
来源:access.redhat.com
链接:https://access.redhat.com/security/cve/cve-2021-3594
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2541
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2596
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.2970
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.4073
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.3360
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.2457
受影响实体
暂无
补丁
- QEMU 缓冲区错误漏洞的修复措施
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