Executive Summary

Summary
Title OpenSMTPD vulnerability
Informations
NameUSN-4268-1First vendor Publication2020-02-05
VendorUbuntuLast vendor Modification2020-02-05
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10 - Ubuntu 18.04 LTS

Summary:

OpenSMTPD could be made to run programs as root if it received specially crafted input over the network.

Software Description: - opensmtpd: secure, reliable, lean, and easy-to configure SMTP server

Details:

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10:
opensmtpd 6.0.3p1-6ubuntu0.1

Ubuntu 18.04 LTS:
opensmtpd 6.0.3p1-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4268-1
CVE-2020-7247

Package Information:
https://launchpad.net/ubuntu/+source/opensmtpd/6.0.3p1-6ubuntu0.1
https://launchpad.net/ubuntu/+source/opensmtpd/6.0.3p1-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4268-1

Alert History

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0
DateInformations
2020-02-05 17:17:53
  • First insertion