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Fix malformed PE certificates

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This commit is contained in:
Matt Nadareski
2022-12-03 23:09:45 -08:00
parent fe5a674518
commit 26db75853b
1 changed files with 2 additions and 2 deletions
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4
BurnOutSharp.Builder/PortableExecutable.cs
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@@ -707,7 +707,7 @@ namespace BurnOutSharp.Builder
entry.Length = data.ReadUInt32(ref offset);
entry.Revision = (WindowsCertificateRevision)data.ReadUInt16(ref offset);
entry.CertificateType = (WindowsCertificateType)data.ReadUInt16(ref offset);
if (entry.Length > 0)
if (entry.Length - 8 > 0)
entry.Certificate = data.ReadBytes(ref offset, (int)entry.Length - 8);
attributeCertificateTable.Add(entry);
@@ -1856,7 +1856,7 @@ namespace BurnOutSharp.Builder
entry.Length = data.ReadUInt32();
entry.Revision = (WindowsCertificateRevision)data.ReadUInt16();
entry.CertificateType = (WindowsCertificateType)data.ReadUInt16();
if (entry.Length > 0)
if (entry.Length - 8 > 0)
entry.Certificate = data.ReadBytes((int)entry.Length - 8);
attributeCertificateTable.Add(entry);