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| author | Werner Koch <[email protected]> | 2015-02-12 17:54:17 +0000 |
|---|---|---|
| committer | Werner Koch <[email protected]> | 2015-02-12 17:54:17 +0000 |
| commit | 8da836e76f1349f4587d1bb74864b11dde7b8a39 (patch) | |
| tree | 06a8ce65db50a09444a336abc17447f77a3a13c7 | |
| parent | gpg: Fix a NULL-deref due to empty ring trust packets. (diff) | |
| download | gnupg-8da836e76f1349f4587d1bb74864b11dde7b8a39.tar.gz gnupg-8da836e76f1349f4587d1bb74864b11dde7b8a39.zip | |
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.
--
Reported-by: Hanno Böck <[email protected]>
(back ported from commit 0835d2f44ef62eab51fce6a927908f544e01cf8f)
| -rw-r--r-- | g10/build-packet.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/g10/build-packet.c b/g10/build-packet.c index 2e6dfc026..538f2fe13 100644 --- a/g10/build-packet.c +++ b/g10/build-packet.c @@ -220,7 +220,8 @@ write_fake_data (IOBUF out, gcry_mpi_t a) void *p; p = gcry_mpi_get_opaque ( a, &n ); - iobuf_write (out, p, (n+7)/8 ); + if (p) + iobuf_write (out, p, (n+7)/8 ); } } |