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gpg: Fix a NULL-deref in export due to invalid packet lengths.
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Description

gpg: Fix a NULL-deref in export due to invalid packet lengths.

* g10/build-packet.c (write_fake_data): Take care of a NULL stored as
opaque MPI.

(back ported from commit 0835d2f44ef62eab51fce6a927908f544e01cf8f)

[dkg: rebased to STABLE-BRANCH-1-4]

  • Reported-by: Hanno Böck <hanno@hboeck.de>
  • Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>

Details

Provenance
wernerAuthored on Feb 22 2015, 5:10 AM
Parents
rG2e8db5385450: gpg: Fix a NULL-deref due to empty ring trust packets.
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