Ubuntu Security Notice USN-3013-1
20th June, 2016
xmlrpc-c vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in XML-RPC for C and C++.
Software description
- xmlrpc-c - Lightweight RPC library based on XML and HTTP
Details
It was discovered that the Expat code in XML-RPC for C and C++ unexpectedly
called srand in certain circumstances. This could reduce the security of
calling applications. (CVE-2012-6702)
It was discovered that the Expat code in XML-RPC for C and C++ incorrectly
handled seeding the random number generator. A remote attacker could
possibly use this issue to cause a denial of service. (CVE-2016-5300)
Gustavo Grieco discovered that the Expat code in XML-RPC for C and C++
incorrectly handled malformed XML data. If a user or application linked
against XML-RPC for C and C++ were tricked into opening a crafted XML file,
an attacker could cause a denial of service, or possibly execute arbitrary
code. (CVE-2016-0718)
It was discovered that the Expat code in XML-RPC for C and C++ incorrectly
handled malformed XML data. If a user or application linked against XML-RPC
for C and C++ were tricked into opening a crafted XML file, an attacker
could cause a denial of service, or possibly execute arbitrary code.
(CVE-2015-1283, CVE-2016-4472)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- libxmlrpc-c++4 1.16.33-3.1ubuntu5.2
- libxmlrpc-core-c3 1.16.33-3.1ubuntu5.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart any applications linked
against XML-RPC for C and C++ to effect the necessary changes.
References
CVE-2012-6702, CVE-2015-1283, CVE-2016-0718, CVE-2016-4472, CVE-2016-5300
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