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Ubuntu Security Notice USN-4348-1

Ubuntu Security Notice USN-4348-1
Posted Apr 29, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4348-1 - It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this to issue execute arbitrary scripts or HTML. It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to display arbitrary text on a web page. It was discovered that Mailman incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-0618, CVE-2018-13796, CVE-2020-12137
SHA-256 | 0182a08a46b822207d21d5388a61d1d799ca704a08b40c2ce1915ca7ddf53cd6

Ubuntu Security Notice USN-4348-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4348-1
April 29, 2020

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Mailman.

Software Description:
- mailman: Web-based mailing list manager (legacy branch)

Details:

It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this to issue execute arbitrary scripts
or HTML. (CVE-2018-0618)

It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to display arbitrary text
on a web page. (CVE-2018-13796)

It was discovered that Mailman incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-12137)

Update instructions:

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

Ubuntu 18.04 LTS:
mailman 1:2.1.26-1ubuntu0.1

Ubuntu 16.04 LTS:
mailman 1:2.1.20-1ubuntu0.4

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

References:
https://usn.ubuntu.com/4348-1
CVE-2018-0618, CVE-2018-13796, CVE-2020-12137

Package Information:
https://launchpad.net/ubuntu/+source/mailman/1:2.1.26-1ubuntu0.1
https://launchpad.net/ubuntu/+source/mailman/1:2.1.20-1ubuntu0.4
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