==========================================================================
Ubuntu Security Notice USN-4160-1
October 21, 2019
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
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4160-1
CVE-2018-19518
Package Information:
https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-5ubuntu0.19.04.2
https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-5ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-4+deb8u1build0.16.04.1
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