USN-4160-1: UW IMAP vulnerability

USN-4160-1: UW IMAP vulnerability

uw-imap vulnerability

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

• Ubuntu 19.04
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

UW IMAP could be made to execute programs if it received specially crafted
input.

Software Description

• uw-imap – c-client library for mail protocols – library files

Details

It was discovered that UW IMAP incorrectly handled inputs. A remote attacker
could possibly use this issue to execute arbitrary OS commands.

Update instructions

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

Ubuntu 19.04

libc-client2007e – 8:2007f~dfsg-5ubuntu0.19.04.2

mlock – 8:2007f~dfsg-5ubuntu0.19.04.2

uw-mailutils – 8:2007f~dfsg-5ubuntu0.19.04.2

Ubuntu 18.04 LTS

libc-client2007e – 8:2007f~dfsg-5ubuntu0.18.04.2

mlock – 8:2007f~dfsg-5ubuntu0.18.04.2

uw-mailutils – 8:2007f~dfsg-5ubuntu0.18.04.2

Ubuntu 16.04 LTS

libc-client2007e – 8:2007f~dfsg-4+deb8u1build0.16.04.1

mlock – 8:2007f~dfsg-4+deb8u1build0.16.04.1

uw-mailutils – 8:2007f~dfsg-4+deb8u1build0.16.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2018-19518

Source: USN-4160-1: UW IMAP vulnerability