libarchive Security Update
Date: 21 June 2016
The purpose of this advisory is to bring attention to a libarchive security update.
A security update was released for libarchive which addresses multiple vulnerabilities. Exploitation of these vulnerabilities may allow for arbitrary remote code execution. The libarchive library is included with and leveraged by several hardware and software products.
Affected Versions: libarchive versions prior to 3.2.1
CVE References: CVE-2016-4300, CVE-2016-4301, CVE-2016-4302
CCIRC recommends that system administrators identify their affected assets and potential interdependencies with their organization's critical services, and follow their patch management process accordingly.
Cisco Talos (vulnerability report):
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
Please note, CCIRC PGP key has recently been updated.
For general information, please contact Public Safety Canada's Public Affairs division at:
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