USN-6550-1: PostfixAdmin vulnerabilities

12 December 2023

Several security issues were fixed in PostfixAdmin.

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Details

It was discovered that Smarty, that is integrated in the PostfixAdmin
code, was not properly sanitizing user input when generating templates. An
attacker could, through PHP injection, possibly use this issue to execute
arbitrary code. (CVE-2022-29221)

It was discovered that Moment.js, that is integrated in the PostfixAdmin
code, was using an inefficient parsing algorithm when processing date
strings in the RFC 2822 standard. An attacker could possibly use this
issue to cause a denial of service. This issue only affected Ubuntu 22.04
LTS. (CVE-2022-31129)

It was discovered that Smarty, that is integrated in the PostfixAdmin
code, was not properly escaping JavaScript code. An attacker could
possibly use this issue to conduct cross-site scripting attacks (XSS).
(CVE-2023-28447)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

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

References

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