CVE-2020-8794
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
Public Exploits 3
Metasploit · 1
opensmtpd_oob_read_lpe.rb [exploit]
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-8794
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
OpenSMTPD 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2020-8794
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-8794 (2)
Exploits & Public PoCs for CVE-2020-8794 (1)
Mailing List Discussions for CVE-2020-8794 (6)
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https://www.openwall.com/lists/oss-security/2020/02/24/5 x_refsource_MISC
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2020-8794 (1)
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https://www.openbsd.org/security.html x_refsource_MISC
Same Patch Batch · n/a · 2020-02-25 · 36 CVEs total
| CVE-2019-5136 | Moxa AWK-3131A访问控制错误漏洞 | |
| CVE-2019-5143 | Moxa AWK-3131A 格式化字符串错误漏洞 | |
| CVE-2019-5148 | Moxa AWK-3131A 数字错误漏洞 | |
| CVE-2019-5165 | Moxa AWK-3131A 授权问题漏洞 | |
| CVE-2020-9383 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2019-5153 | Moxa AWK-3131A 缓冲区错误漏洞 | |
| CVE-2019-5162 | MOXA AWK-3131A 访问控制错误漏洞 | |
| CVE-2019-5137 | Moxa AWK-3131A信任管理问题漏洞 | |
| CVE-2019-5138 | Moxa AWK-3131A 操作系统命令注入漏洞 | |
| CVE-2019-5139 | Moxa AWK-3131A 信任管理问题漏洞 | |
| CVE-2019-5142 | Moxa AWK-3131A 操作系统命令注入漏洞 | |
| CVE-2019-5141 | Moxa AWK-3131A 操作系统命令注入漏洞 | |
| CVE-2019-5140 | Moxa AWK-3131A操作系统命令注入漏洞 | |
| CVE-2020-8818 | Magento WooCommerce CardGate Payment Gateway 访问控制错误漏洞 | |
| CVE-2020-8819 | WooCommerce CardGate Payments 访问控制错误漏洞 | |
| CVE-2020-9405 | IBL Online Weather 跨站脚本漏洞 | |
| CVE-2020-9406 | IBL Online Weather 代码注入漏洞 | |
| CVE-2020-9407 | IBL Online Weather 信息泄露漏洞 | |
| CVE-2020-9008 | Blackboard Learn/PeopleTool 跨站脚本漏洞 | |
| CVE-2020-9398 | ISPConfig SQL注入漏洞 |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-8794
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