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Ubuntu Security Notice USN-4044-1
July 01, 2019
znc vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.04
– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
znc could be made to crash or run programs as an administrator
if it opened a specially crafted file.
Software Description:
– znc: advanced modular IRC bouncer
Details:
Fix vulnerability where an authenticated non-admin users could load
a module with a crafted name, then escalate privileges and run
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
znc 1.7.2-2ubuntu0.1
Ubuntu 18.10:
znc 1.7.1-2ubuntu0.2
Ubuntu 18.04 LTS:
znc 1.6.6-1ubuntu0.2
Ubuntu 16.04 LTS:
znc 1.6.3-1ubuntu0.2
After a standard system update you need to restart znc to make
all the necessary changes.
References:
https://usn.ubuntu.com/4044-1
CVE-2019-12816
Package Information:
https://launchpad.net/ubuntu/+source/znc/1.7.2-2ubuntu0.1
https://launchpad.net/ubuntu/+source/znc/1.7.1-2ubuntu0.2
https://launchpad.net/ubuntu/+source/znc/1.6.6-1ubuntu0.2
https://launchpad.net/ubuntu/+source/znc/1.6.3-1ubuntu0.2
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