[Bug 1084279] Re: buffer overflow crash in libgcrypt when open files > 1024

[Seth Arnold]

The linked patch looks good to me.

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Title:
  buffer overflow crash in libgcrypt when open files > 1024

Status in “libgcrypt11” package in Ubuntu:
  New

Bug description:
  I am running JBoss with my open files set to > 1024 and when one of my
  Java classes tries to access the printers it talks to libcups which
  uses libgnutls which uses libgcrypt.  However, libgcrypt has some code
  that is calling FD_SET on a file descriptor but that gets reported as
  a buffer overflow because the file descriptor has a value of 1053
  which is greater than the FD_SETSIZE define of 1024.  This bug was
  fixed in libgcrypt in September 2011 but does not appear in the
  patched version of libgcrypt11 1.5.0 in Ubuntu 12.04.

  The git commit in libgcrypt that fixes the problem is
  061b11de60415e228f33599270d66aafe4b88d72 and can be viewed at:

  http://git.gnupg.org/cgi-
  bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=061b11de60415e228f33599270d66aafe4b88d72

  I submitted the crash (I think it's not entirely clear to me it did
  anything) using ubuntu-bug which I guess went to the whoopsie database
  or something.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: libgcrypt11 1.5.0-3ubuntu0.1
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  Uname: Linux 3.2.0-27-generic x86_64
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  Date: Wed Nov 28 17:57:12 2012
  InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_US:
   TERM=xterm-256color
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: libgcrypt11
  UpgradeStatus: No upgrade log present (probably fresh install)

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