ESB-2017.2467 - [UNIX/Linux][Debian] libidn2-0: Denial of service - Remote with user interaction 2017-10-02

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2467
                         libidn2-0 security update
                              2 October 2017

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

Product:           libidn2-0
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Debian GNU/Linux 9
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-14062  

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3988

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running libidn2-0 check for an updated version of the software for 
         their operating system.

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Debian Security Advisory DSA-3988-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
September 30, 2017                    https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : libidn2-0
CVE ID         : CVE-2017-14062
Debian Bug     : 873902

An integer overflow vulnerability was discovered in decode_digit() in
libidn2-0, the GNU library for Internationalized Domain Names (IDNs),
allowing a remote attacker to cause a denial of service against an
application using the library (application crash).

For the oldstable distribution (jessie), this problem has been fixed
in version 0.10-2+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 0.16-1+deb9u1.

For the testing distribution (buster), this problem has been fixed
in version 2.0.2-4.

For the unstable distribution (sid), this problem has been fixed in
version 2.0.2-4.

We recommend that you upgrade your libidn2-0 packages.

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

Mailing list: debian-security-announce@lists.debian.org
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