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* [Bug libc/13335] New: chroot_canon(): Fix off-by-one in readlink() buffer
@ 2011-10-24 14:54 thomas.jarosch at intra2net dot com
  2011-10-29 16:28 ` [Bug libc/13335] " drepper.fsp at gmail dot com
  2014-06-27 11:50 ` fweimer at redhat dot com
  0 siblings, 2 replies; 3+ messages in thread
From: thomas.jarosch at intra2net dot com @ 2011-10-24 14:54 UTC (permalink / raw)
  To: glibc-bugs

http://sourceware.org/bugzilla/show_bug.cgi?id=13335

             Bug #: 13335
           Summary: chroot_canon(): Fix off-by-one in readlink() buffer
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper.fsp@gmail.com
        ReportedBy: thomas.jarosch@intra2net.com
    Classification: Unclassified


Created attachment 6027
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6027
Patch to fix the issue

>From the patch:

chroot_canon(): Fix off-by-one in readlink() buffer

readlink() might return the full size of the buffer,
so we might write the terminating zero past the end of the buffer.

Fix it by reducing the supplied buffer size by 1.

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug libc/13335] chroot_canon(): Fix off-by-one in readlink() buffer
  2011-10-24 14:54 [Bug libc/13335] New: chroot_canon(): Fix off-by-one in readlink() buffer thomas.jarosch at intra2net dot com
@ 2011-10-29 16:28 ` drepper.fsp at gmail dot com
  2014-06-27 11:50 ` fweimer at redhat dot com
  1 sibling, 0 replies; 3+ messages in thread
From: drepper.fsp at gmail dot com @ 2011-10-29 16:28 UTC (permalink / raw)
  To: glibc-bugs

http://sourceware.org/bugzilla/show_bug.cgi?id=13335

Ulrich Drepper <drepper.fsp at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #1 from Ulrich Drepper <drepper.fsp at gmail dot com> 2011-10-29 16:28:19 UTC ---
I checked in a patch.  Your formatting is wrong, the copyright year wasn't
updated, and no ChangeLog entry provided.

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* [Bug libc/13335] chroot_canon(): Fix off-by-one in readlink() buffer
  2011-10-24 14:54 [Bug libc/13335] New: chroot_canon(): Fix off-by-one in readlink() buffer thomas.jarosch at intra2net dot com
  2011-10-29 16:28 ` [Bug libc/13335] " drepper.fsp at gmail dot com
@ 2014-06-27 11:50 ` fweimer at redhat dot com
  1 sibling, 0 replies; 3+ messages in thread
From: fweimer at redhat dot com @ 2014-06-27 11:50 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=13335

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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^ permalink raw reply	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-10-24 14:54 [Bug libc/13335] New: chroot_canon(): Fix off-by-one in readlink() buffer thomas.jarosch at intra2net dot com
2011-10-29 16:28 ` [Bug libc/13335] " drepper.fsp at gmail dot com
2014-06-27 11:50 ` fweimer at redhat dot com

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