CVE-2020-7247
100Vexday Risk Score
Corrige ahora. Ella está bajo explotación confirmada por CISA y tiene exploit funcional público.
ssvc Actcvss 9.8epss 99%
de la publicación al arma0 días
Publicada en NVD29 ene
1ª PoC12 jul
metasploit28 ene
CISA KEV+786d
probabilidad de explotación
99%top 1% de las CVE
explotación observada
síCISA + VulnCheck
28 exploit(s) público(s)
Acción exigida por CISAplazo federal: 2022-04-15
Apply updates per vendor instructions.
Investigado y redactado con IA a partir del advisory del fabricante y análisis públicos, con las fuentes citadas. Verifica siempre la versión corregida en el advisory oficial antes de actuar.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Productos afectados
n/a · n/aPoCs públicas encontradas — 28✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/48038exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/47984exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/48051githubgithub.com/FiroSolutions/cve-2020-7247-exploit★ 25githubgithub.com/QTranspose/CVE-2020-7247-exploit★ 11githubgithub.com/r0lh/CVE-2020-7247★ 5githubgithub.com/superzerosec/cve-2020-7247★ 4githubgithub.com/f4T1H21/CVE-2020-7247★ 2githubgithub.com/SimonSchoeni/CVE-2020-7247-POC★ 2githubgithub.com/presentdaypresenttime/shai_hulud★ 2githubgithub.com/minhluannguyen/CVE-2020-7247-reproducer★ 1githubgithub.com/solmin111/OpenSMTPD-CVE-2020-7247-★ 0githubgithub.com/bytescrappers/CVE-2020-7247★ 0cve_referencepacketstormsecurity.com/files/156295/OpenSMTPD-6.6.1-Local-Privilege-Escalation.htmlno verificadovulncheckvulncheck.com/xdb/fdc16adbecd8no verificadocve_referencepacketstormsecurity.com/files/156249/OpenSMTPD-MAIL-FROM-Remote-Code-Execution.htmlno verificadocve_referencepacketstormsecurity.com/files/156145/OpenSMTPD-6.6.2-Remote-Code-Execution.htmlno verificadocve_referencepacketstormsecurity.com/files/156137/OpenBSD-OpenSMTPD-Privilege-Escalation-Code-Execution.htmlno verificadovulncheckvulncheck.com/xdb/84f50ceb9674no verificadovulncheckvulncheck.com/xdb/e74dfea19420no verificadovulncheckvulncheck.com/xdb/bf9da7b38b61no verificadovulncheckvulncheck.com/xdb/dfc825b4e351no verificadovulncheckvulncheck.com/xdb/15de84180d62no verificadovulncheckvulncheck.com/xdb/47eec17beab4no verificadovulncheckvulncheck.com/xdb/aaf43d820afeno verificadovulncheckvulncheck.com/xdb/bb8cd406d461no verificadovulncheckvulncheck.com/xdb/3aba7d75651dno verificadocve_referencepacketstormsecurity.com/files/162093/OpenBSD-OpenSMTPD-6.6-Remote-Code-Execution.htmlno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
http://packetstormsecurity.com/files/156137/OpenBSD-OpenSMTPD-Privilege-Escalation-Code-Execution.htmlhttp://packetstormsecurity.com/files/156145/OpenSMTPD-6.6.2-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/156249/OpenSMTPD-MAIL-FROM-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/156295/OpenSMTPD-6.6.1-Local-Privilege-Escalation.htmlhttp://packetstormsecurity.com/files/162093/OpenBSD-OpenSMTPD-6.6-Remote-Code-Execution.htmlhttp://seclists.org/fulldisclosure/2020/Jan/49https://github.com/openbsd/src/commit/9dcfda045474d8903224d175907bfc29761dcb45https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/https://seclists.org/bugtraq/2020/Jan/51https://usn.ubuntu.com/4268-1/https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7247https://www.debian.org/security/2020/dsa-4611