* [PATCH] bzip2recover: Fix use after free issue with outFile.
@ 2019-01-01 0:00 Mark Wielaard
0 siblings, 0 replies; only message in thread
From: Mark Wielaard @ 2019-01-01 0:00 UTC (permalink / raw)
Cc: Cedric Buissart, Jakub Martiško, Armin Kuster, Mark Wielaard
bzip2 lost its domain and got a new home at https://sourceware.org/bzip2/
It also didn't see a release for a very long time. Causing various patches
used by distros to not have been integrated upstream. We are trying to
collect them all and do a new release.
The following patch comes from Fedora.
Please let us know if we missed some others.
bzip2recover.c (main): Make sure to set outFile to NULL when done.
This was reported as CVE-2016-3189 and found in multiple distributions.
Some more analysis can be found in:
bzip2recover.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/bzip2recover.c b/bzip2recover.c
index 1a70e04..a955d60 100644
@@ -458,6 +458,7 @@ Int32 main ( Int32 argc, Char** argv )
bsPutUChar ( bsWr, 0x50 ); bsPutUChar ( bsWr, 0x90 );
bsPutUInt32 ( bsWr, blockCRC );
bsClose ( bsWr );
+ outFile = NULL;
if (wrBlock >= rbCtr) break;
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2019-01-01 0:00 [PATCH] bzip2recover: Fix use after free issue with outFile Mark Wielaard
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