[ntp:security] [Bug 2668] New: Buffer overflow in ctl_putdata()

bugzilla-daemon at ntp.org bugzilla-daemon at ntp.org
Mon Nov 3 00:31:06 UTC 2014


             Bug #: 2668
           Summary: Buffer overflow in ctl_putdata()
           Product: ntp
           Version: 4.2.6
          Platform: N/A
        OS/Version: All
            Status: CONFIRMED
          Severity: critical
          Priority: P1
         Component: Security Bugs
        AssignedTo: stenn at ntp.org
        ReportedBy: stenn at ntp.org
                CC: security at ntp.org, stephen.roettger at gmail.com
            Blocks: 2655
             Group: Security
    Classification: Unclassified

Harlan Stenn <stenn at ntp.org> changed:

           What    |Removed                     |Added
              Flags|                            |blocking4.2.6+,
                   |                            |blocking4.2.8+

+++ This bug was initially created as a clone of Bug #2655 +++

4) ntpd/ntp_control.c:1027 <ctl_putdata> (buffer overflow, needs privileges)
 fix: check if dlen is greater than the buffer and either break it up or
bail out

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