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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.3085
                         kamailio security update
                                31 May 2023

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kamailio
Publisher:         Debian
Operating System:  Debian GNU/Linux
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-27507  

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2023/05/msg00030.html

Comment: CVSS (Max):  9.8 CVE-2020-27507 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: NVD
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Debian LTS Advisory DLA-3438-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                           Chris Lamb
May 30, 2023                                  https://wiki.debian.org/LTS
- - -------------------------------------------------------------------------

Package        : kamailio
Version        : 5.2.1-1+deb10u1
CVE ID         : CVE-2020-27507

It was discovered that there was a potential denial-of-service (DoS)
attack in the Kamailio SIP telephony server. This was caused by the
Kamailio server mishandling INVITE requests with duplicated fields.

For Debian 10 buster, this problem has been fixed in version
5.2.1-1+deb10u1.

We recommend that you upgrade your kamailio packages.

For the detailed security status of kamailio please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/kamailio

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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===========================================================================
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===========================================================================
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