CVE-2020-7247 PoC — Openbsd Opensmtpd代码问题漏洞

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2020/CVE-2020-7247.yaml

Associated Vulnerability

Title:Openbsd Opensmtpd代码问题漏洞 (CVE-2020-7247)
Description:smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.

Description

OpenSMTPD versions 6.4.0 - 6.6.1 are susceptible to remote code execution. smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.

File Snapshot

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