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Bug 252394 - (CVE-2007-4091) CVE-2007-4091 rsync off by one flaw
CVE-2007-4091 rsync off by one flaw
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Security
Depends On:
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Reported: 2007-08-15 15:17 EDT by Josh Bressers
Modified: 2016-03-04 07:55 EST (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2007-08-28 04:08:27 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Josh Bressers 2007-08-15 15:17:40 EDT
rsync contains an off by one stack overflow flaw.  This flaw can result in a
NULL byte written past the end of the stack variable.

More information is located here:

The patch is here:
Comment 1 Josh Bressers 2007-08-15 16:03:44 EDT
This flaw does not affect Red Hat Enterprise Linux 2.1, 3, or 4 due to the
version of rsync.

This flaw does exist in Red Hat Enterprise Linux 5, but due to the nature of the
flaw, the use of -fstack-protector when building the binary renders this flaw
Comment 2 Josh Bressers 2007-08-15 16:22:21 EDT
It should be noted that when running rsync in daemon mode, the daemon spawn a
worker process to handle the connection.  This flaw would not be a denial of

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