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Vulnerability of Apache Subversion: two vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Apache Subversion.
Impacted software: Subversion, Debian, Fedora, openSUSE, openSUSE Leap, Oracle Fusion Middleware, Oracle Identity Management, Oracle OIT, Solaris, WebLogic, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 28/04/2016.
Références of this announce: bulletinjul2018, cpuoct2020, CVE-2016-2167, CVE-2016-2168, DLA-448-1, DSA-3561-1, FEDORA-2016-e024b3e02b, openSUSE-SU-2016:1263-1, openSUSE-SU-2016:1264-1, SSA:2016-121-01, SUSE-SU-2017:2200-1, USN-3388-1, USN-3388-2, VIGILANCE-VUL-19480.

Description of the vulnerability 

Several vulnerabilities were announced in Apache Subversion.

An attacker can bypass security features in svnserve/sasl, in order to escalate his privileges. [severity:2/4; CVE-2016-2167]

An attacker can force a NULL pointer to be dereferenced in mod_authz_svn, in order to trigger a denial of service. [severity:2/4; CVE-2016-2168]
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This computer threat impacts software or systems such as Subversion, Debian, Fedora, openSUSE, openSUSE Leap, Oracle Fusion Middleware, Oracle Identity Management, Oracle OIT, Solaris, WebLogic, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability alert is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity weakness.

Solutions for this threat 

Apache Subversion: version 1.9.4.
The version 1.9.4 is fixed:
  http://subversion.apache.org/download/#supported-releases

Apache Subversion: version 1.8.16.
The version 1.8.16 is fixed:
  http://subversion.apache.org/download/#supported-releases

Debian: new subversion packages.
New packages are available:
  Debian 7: subversion 1.6.17dfsg-4+deb7u11
  Debian 8: subversion 1.8.10-6+deb8u4

Fedora 23: new subversion packages.
New packages are available:
  Fedora 23: subversion 1.9.4-1.fc23

openSUSE: new subversion packages.
New packages are available:
  openSUSE 13.2: subversion 1.8.16-2.26.1
  openSUSE Leap 42.1: subversion 1.8.10-9.1

Oracle Fusion Middleware: CPU of October 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2694898.1

Oracle Solaris: patch for third party software of July 2018 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

Slackware: new subversion packages.
New packages are available:
  Slackware 14.0: subversion 1.7.22-*-2_slack14.0
  Slackware 14.1: subversion 1.7.22-*-2_slack14.1

SUSE LE 12: new subversion packages.
New packages are available:
  SUSE LE 12 SP2: subversion 1.8.19-25.3.1
  SUSE LE 12 SP3: subversion 1.8.19-25.3.1

Ubuntu 12.04: new subversion packages.
New packages are available:
  Ubuntu 12.04 ESM: subversion 1.6.17dfsg-3ubuntu3.7

Ubuntu: new subversion packages.
New packages are available:
  Ubuntu 17.04: subversion 1.9.5-1ubuntu1.1
  Ubuntu 16.04 LTS: subversion 1.9.3-2ubuntu1.1
  Ubuntu 14.04 LTS: subversion 1.8.8-1ubuntu3.3
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