Bug 1418612 (CVE-2016-10197)

Summary: CVE-2016-10197 libevent: Out-of-bounds read in search_make_new()
Product: [Other] Security Response Reporter: Andrej Nemec <anemec>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: cschalle, dmoppert, gecko-bugs-nobody, jfeeney, jhorak, rdma-dev-team, steved, stransky, tpopela
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
An out of bounds read vulnerability was found in libevent in the search_make_new function. If an attacker could cause an application using libevent to attempt resolving an empty hostname, an out of bounds read could occur possibly leading to a crash.
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-03-24 04:59:27 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1418616    
Bug Blocks: 1418615    

Description Andrej Nemec 2017-02-02 10:36:27 UTC
A vulnerability was found in libevent. There is an out-of-bounds read in the DNS code of Libevent.

Upstream bug:

https://github.com/libevent/libevent/issues/332

Upstream patch:

https://github.com/libevent/libevent/commit/ec65c42052d95d2c23d1d837136d1cf1d9ecef9e

Comment 1 Andrej Nemec 2017-02-02 10:41:40 UTC
Created libevent tracking bugs for this issue:

Affects: fedora-all [bug 1418616]

Comment 4 errata-xmlrpc 2017-05-08 06:46:25 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:1201 https://access.redhat.com/errata/RHSA-2017:1201