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TIFFWriteDirectorySec: avoid assertion. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2795. CVE-2018-10963

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Even Rouault 2018-05-12 14:24:15 +02:00
parent 6150fd4349
commit de144fd228
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GPG Key ID: 33EBBFC47B3DD87D
1 changed files with 5 additions and 2 deletions
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libtiff/tif_dirwrite.c
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@ -695,8 +695,11 @@ TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)
} }
break; break;
default: default:
assert(0); /* we should never get here */ TIFFErrorExt(tif->tif_clientdata,module,
break; "Cannot write tag %d (%s)",
TIFFFieldTag(o),
o->field_name ? o->field_name : "unknown");
goto bad;
} }
} }
} }