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Check for overflow with incorrectly cut mode pages.

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Natalia Portillo
2017-09-06 21:12:44 +01:00
parent a3ecbf853d
commit b382683e3b
1 changed files with 6 additions and 0 deletions
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6
DiscImageChef.Decoders/SCSI/Modes.cs
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@@ -6545,6 +6545,9 @@ namespace DiscImageChef.Decoders.SCSI
{ {
if(isSubpage) if(isSubpage)
{ {
if (offset + 3 >= modeResponse.Length)
break;
pg.PageResponse = new byte[(modeResponse[offset + 2] << 8) + modeResponse[offset + 3] + 4]; pg.PageResponse = new byte[(modeResponse[offset + 2] << 8) + modeResponse[offset + 3] + 4];
if((pg.PageResponse.Length + offset) > modeResponse.Length) if((pg.PageResponse.Length + offset) > modeResponse.Length)
return decoded; return decoded;
@@ -6555,6 +6558,9 @@ namespace DiscImageChef.Decoders.SCSI
} }
else else
{ {
if (offset + 1 >= modeResponse.Length)
break;
pg.PageResponse = new byte[modeResponse[offset + 1] + 2]; pg.PageResponse = new byte[modeResponse[offset + 1] + 2];
if((pg.PageResponse.Length + offset) > modeResponse.Length) if((pg.PageResponse.Length + offset) > modeResponse.Length)
return decoded; return decoded;