OpenSMTPD 缓冲区错误漏洞

漏洞信息详情

OpenSMTPD 缓冲区错误漏洞

CNNVD编号：CNNVD-202002-1169
危害等级：超危-->
危害等级：超危
CVE编号： CVE-2020-8794
漏洞类型：缓冲区错误
发布时间： 2020-02-25
威胁类型：远程
更新时间： 2021-05-06
厂商：
漏洞来源： Ubuntu, Qualys Sec...

漏洞简介

OpenSMTPD 6.6.4之前版本中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，详情请关注厂商主页：

https://www.opensmtpd.org/

参考网址

来源:MISC

链接:https://www.openbsd.org/security.html

来源:MISC

链接:https://www.openwall.com/lists/oss-security/2020/02/24/5

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/03/01/2

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/03/01/1

来源:UBUNTU

链接:https://usn.ubuntu.com/4294-1/

来源:FULLDISC

链接:http://seclists.org/fulldisclosure/2020/Feb/32

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2021/05/04/7

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/02/26/1

来源:MISC

链接:https://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html

来源:DEBIAN

链接:https://www.debian.org/security/2020/dsa-4634

来源:www.nsfocus.net

链接:http://www.nsfocus.net/vulndb/45971

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-8794

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/156534/OpenSMTPD-Out-Of-Bounds-Read.html

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/OpenSMTPD-code-execution-via-Multi-line-Response-31668

来源:www.exploit-db.com

链接:https://www.exploit-db.com/exploits/48140

来源:www.exploit-db.com

链接:https://www.exploit-db.com/exploits/48185

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.0702/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2020.0763/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/156594/Ubuntu-Security-Notice-USN-4294-1.html

受影响实体

暂无

补丁

OpenSMTPD 缓冲区错误漏洞的修复措施

正文

OpenSMTPD 缓冲区错误漏洞

漏洞信息详情