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Bug 1022063 - socat: out-of-range shifts
Summary: socat: out-of-range shifts
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: socat
Version: 7.0
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Paul Wouters
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks: 1019961 1085024
TreeView+ depends on / blocked
 
Reported: 2013-10-22 15:07 UTC by Florian Weimer
Modified: 2018-11-13 11:00 UTC (History)
3 users (show)

Fixed In Version: 1.7.3.1-1
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-11-13 11:00:07 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description Florian Weimer 2013-10-22 15:07:54 UTC
Shifting ints by 32 bits (bits == 0) may not give the expected result in xioparsenetwork_ip4() in xio-ip4.c:
      netmask_in->s_addr = htonl((0xffffffff << (32-bits)));
xioparsenetwork_ip6() has a similar problem (with 128).

Such out-of-range shifts are undefined and the outcome differs on different architectures.

Comment 2 Gerhard 2014-03-10 21:07:25 UTC
Has been fixed in upstream release 1.7.2.4

Comment 5 Paul Wouters 2018-11-13 11:00:07 UTC
This bug is addressed by ERRATA RHBA-2017:2049-03 socat bug fix update

https://errata.devel.redhat.com/advisory/26967


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