CVE-2020-7247: OpenSMTPD Remote Code Execution Vulnerability
First published: Wed Jan 29 2020(Updated: )
Last updated 21 August 2024
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenBSD OpenSMTPD | =6.6 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =32 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| debian/opensmtpd | 6.8.0p2-3 6.8.0p2-4 7.5.0p0-1 | |
| OpenBSD OpenSMTPD |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://packetstormsecurity.com/files/156137/OpenBSD-OpenSMTPD-Privilege-Escalation-Code-Execution.html
- http://packetstormsecurity.com/files/156145/OpenSMTPD-6.6.2-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/156249/OpenSMTPD-MAIL-FROM-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/156295/OpenSMTPD-6.6.1-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/162093/OpenBSD-OpenSMTPD-6.6-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2020/Jan/49
- http://www.openwall.com/lists/oss-security/2020/01/28/3
- https://github.com/openbsd/src/commit/9dcfda045474d8903224d175907bfc29761dcb45
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://seclists.org/bugtraq/2020/Jan/51
- https://usn.ubuntu.com/4268-1/
- https://www.debian.org/security/2020/dsa-4611
- https://www.kb.cert.org/vuls/id/390745
- https://www.openbsd.org/security.html
- https://launchpad.net/bugs/cve/CVE-2020-7247
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://www.openwall.com/lists/oss-security/2020/01/28/3
- https://github.com/OpenSMTPD/OpenSMTPD/commit/2afab2297347342f81fa31a75bbbf7dbee614fda
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/019_smtpd_exec.patch.sig
- https://github.com/OpenSMTPD/OpenSMTPD/commit/be6ef06cba9484d008d9f057e6b25d863cf278ff
- https://security-tracker.debian.org/tracker/CVE-2020-7247
- https://nvd.nist.gov/vuln/detail/CVE-2020-7247
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7247
- https://ubuntu.com/security/CVE-2020-7247
Frequently Asked Questions
What is CVE-2020-7247?
CVE-2020-7247 is a remote code execution vulnerability in OpenSMTPD.
How does CVE-2020-7247 work?
CVE-2020-7247 allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, using shell metacharacters in a MAIL FROM field.
What is the severity of CVE-2020-7247?
CVE-2020-7247 has a severity rating of 9.8 (Critical).
Which software products are affected by CVE-2020-7247?
OpenSMTPD 6.6 in OpenBSD 6.6 and other products are affected by CVE-2020-7247.
How can I fix CVE-2020-7247?
To fix CVE-2020-7247, you should update to the patched version of OpenSMTPD provided by your vendor or distribution.
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/weakness
- agent/title
- agent/severity
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/author
- collector/security-tracker-debian
- source/Debian
- collector/mitre-cve
- source/MITRE
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/softwarecombine
- agent/description
- agent/first-publish-date
- agent/event
- agent/tags
- collector/nvd-cve
- agent/last-modified-date
- agent/trending
- vendor/openbsd
- canonical/openbsd opensmtpd
- version/openbsd opensmtpd/6.6
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/19.10
- package-manager/debian