ESB-2017.1770 - [Linux][Debian] apache2: Denial of service - Remote/unauthenticated 2017-07-19

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1770
                          apache2 security update
                               19 July 2017

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

Product:           apache2
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Debian GNU/Linux 9
                   Linux variants
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-9788  

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3913

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running apache2 check for an updated version of the software for 
         their operating system.

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Debian Security Advisory DSA-3913-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
July 18, 2017                         https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : apache2
CVE ID         : CVE-2017-9788
Debian Bug     : 868467

Robert Swiecki reported that mod_auth_digest does not properly
initialize or reset the value placeholder in [Proxy-]Authorization
headers of type 'Digest' between successive key=value assignments,
leading to information disclosure or denial of service.

For the oldstable distribution (jessie), this problem has been fixed
in version 2.4.10-10+deb8u10.

For the stable distribution (stretch), this problem has been fixed in
version 2.4.25-3+deb9u2.

For the unstable distribution (sid), this problem has been fixed in
version 2.4.27-1.

We recommend that you upgrade your apache2 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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