CVE-2020-8794
First published: Tue Feb 25 2020(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensmtpd Opensmtpd | <6.6.4 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/opensmtpd | 6.8.0p2-3 6.8.0p2-4 7.5.0p0-1 |
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Reference Links
- http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2020/Feb/32
- http://www.openwall.com/lists/oss-security/2020/02/26/1
- http://www.openwall.com/lists/oss-security/2020/03/01/1
- http://www.openwall.com/lists/oss-security/2020/03/01/2
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://usn.ubuntu.com/4294-1/
- https://www.debian.org/security/2020/dsa-4634
- https://www.openbsd.org/security.html
- https://www.openwall.com/lists/oss-security/2020/02/24/5
- https://launchpad.net/bugs/cve/CVE-2020-8794
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/
- https://poolp.org/posts/2020-01-30/opensmtpd-advisory-dissected/
- https://www.openwall.com/lists/oss-security/2020/02/26/1
- https://security-tracker.debian.org/tracker/CVE-2020-8794
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8794
- https://nvd.nist.gov/vuln/detail/CVE-2020-8794
- https://ubuntu.com/security/CVE-2020-8794
Frequently Asked Questions
What is CVE-2020-8794?
CVE-2020-8794 is a vulnerability that allows remote code execution in OpenSMTPD before version 6.6.4.
How severe is CVE-2020-8794?
CVE-2020-8794 has a severity rating of 9.8, which is considered critical.
Which software versions are affected by CVE-2020-8794?
OpenSMTPD versions before 6.6.4 are affected by CVE-2020-8794.
How can I fix CVE-2020-8794?
To fix CVE-2020-8794, you need to update OpenSMTPD to version 6.6.4 or later.
Where can I find more information about CVE-2020-8794?
You can find more information about CVE-2020-8794 on the MITRE CVE website and the Ubuntu security notices.
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- vendor/opensmtpd
- canonical/opensmtpd opensmtpd
- vendor/canonical
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- version/canonical ubuntu linux/19.10
- vendor/fedoraproject
- canonical/fedoraproject fedora
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- version/fedoraproject fedora/32
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- package-manager/debian