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Ubuntu Security Update USN-3590-1: Irssi vulnerabilities

Discussion in 'Linux Security Announcements (Automated)' started by LinuxBot, Mar 6, 2018.

  1. LinuxBot

    LinuxBot Moderator
    Staff Member

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    irssi vulnerabilities


    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

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

    After a standard system update you need to restart Irssi to make all the necessary changes.

    References


    Continue reading...
     

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