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Ubuntu Security Notice USN-4556-1

Ubuntu Security Notice USN-4556-1
Posted Sep 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4556-1 - It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. It was discovered that netqmail did not properly handle certain input when validating email addresses. An attacker could use this to bypass email address validation. Various other issues were also addressed.

tags | advisory, remote, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2005-1513, CVE-2005-1515, CVE-2020-3811, CVE-2020-3812
MD5 | acc8c2f4c28a224574408a5870713fdf

Ubuntu Security Notice USN-4556-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4556-1
September 29, 2020

netqmail vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS

Summary:

netqmail could be made to crash or run programs as any user (except root) if it
received specially crafted network traffic.

Software Description:
- netqmail: a secure, reliable, efficient, simple message transfer agent

Details:

It was discovered that netqmail did not properly handle certain input. Both
remote and local attackers could use this vulnerability to cause netqmail
to crash or execute arbitrary code. (CVE-2005-1513, CVE-2005-1514,
CVE-2005-1515)

It was discovered that netqmail did not properly handle certain input when
validating email addresses. An attacker could use this to bypass email
address validation. (CVE-2020-3811)

It was discovered that netqmail did not properly handle certain input when
validating email addresses. An attacker could use this vulnerability to
cause netqmail to disclose sensitive information. (CVE-2020-3812)

Update instructions:

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

Ubuntu 20.04 LTS:
qmail 1.06-6.2~deb10u1build0.20.04.1
qmail-uids-gids 1.06-6.2~deb10u1build0.20.04.1

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

References:
https://usn.ubuntu.com/4556-1
CVE-2005-1513, CVE-2005-1514, CVE-2005-1515, CVE-2020-3811,
CVE-2020-3812

Package Information:
https://launchpad.net/ubuntu/+source/netqmail/1.06-6.2~deb10u1build0.20.04.1

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