Ubuntu Security Update USN-4160-1: UW IMAP vulnerability

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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

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