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Ubuntu Security Notice USN-3590-1
March 06, 2018
irssi vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 17.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Irssi.
Software Description:
– irssi: terminal based IRC client
Details:
It was discovered that Irssi incorrectly handled certain empty
nick names. An attacker could possibly use this issue to cause a denial
of service. (CVE-2018-7050)
It was discovered that Irssi incorrectly handled certain nick names.
An attacker could possibly use this to access sensitive information.
(CVE-2018-7051)
It was discovered that Irssi incorrectly handled an increase in the
number of windows. An attacker could possibly use this issue to cause
a denial of service. (CVE-2018-7052)
It was discovered that Irssi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS
and Ubuntu 17.10. (CVE-2018-7053)
It was discovered that Irssi incorrectly handled certain
disconnections. An attacker could possibly use this to cause a denial
of service or execute arbitrary code. This issue only affected Ubuntu
17.10. (CVE-2018-7054)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
irssi 1.0.4-1ubuntu2.3
Ubuntu 16.04 LTS:
irssi 0.8.19-1ubuntu1.7
Ubuntu 14.04 LTS:
irssi 0.8.15-5ubuntu3.5
After a standard system update you need to restart Irssi to make all
the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3590-1
CVE-2018-7050, CVE-2018-7051, CVE-2018-7052, CVE-2018-7053,
CVE-2018-7054, CVE-2018-7073
Package Information:
https://launchpad.net/ubuntu/+source/irssi/1.0.4-1ubuntu2.3
https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.7
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