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authorCaolán McNamara <caolanm@redhat.com>2022-01-13 16:57:48 +0000
committerMichael Stahl <michael.stahl@allotropia.de>2022-01-31 14:30:37 +0100
commit7c8b41bc322720dc9434fbef1f10a6740913165e (patch)
treeb49a9df710f6304527c0ca262ffe67daf812c465 /lotuswordpro
parent2cdf4b6580135b6586a3f4a10132e748eb68049b (diff)
ofz#43577 valid reclen must be >= 20
Change-Id: I454bff4acfcd85701a7f094a8bd76898825e9ce2 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128388 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com> (cherry picked from commit 444477a07bcaf59181dbbc719b913566091deadc) ofz: Use-of-uninitialized-value Change-Id: I6b768b80d972c5379005efecfb803463ca648b4b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128644 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com> (cherry picked from commit 7b37a1a5144a3a4c8b0803b7e2da81e9e108bf66) ofz: Undefined-Shift Change-Id: Ib935359071ef9e390aa3d6c9713ed48241ad18e6 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129066 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com> (cherry picked from commit e863b90a0e5fc90c3b824e4b0012f9389b87a3ac) Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129183 Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
Diffstat (limited to 'lotuswordpro')
-rw-r--r--lotuswordpro/source/filter/lwpdrawobj.cxx13
1 files changed, 10 insertions, 3 deletions
diff --git a/lotuswordpro/source/filter/lwpdrawobj.cxx b/lotuswordpro/source/filter/lwpdrawobj.cxx
index 5de7ae30894d..ce3f5249786d 100644
--- a/lotuswordpro/source/filter/lwpdrawobj.cxx
+++ b/lotuswordpro/source/filter/lwpdrawobj.cxx
@@ -1369,14 +1369,21 @@ void LwpDrawBitmap::Read()
m_pStream->ReadUInt16( m_aBmpRec.nTranslation );
m_pStream->ReadUInt16( m_aBmpRec.nRotation );
+ if (m_aObjHeader.nRecLen < 20)
+ throw BadRead();
+
// 20 == length of draw-specific fields.
// 14 == length of bmp file header.
m_aBmpRec.nFileSize = m_aObjHeader.nRecLen - 20 + 14;
- m_pImageData.reset( new sal_uInt8 [m_aBmpRec.nFileSize] );
BmpInfoHeader2 aInfoHeader2;
m_pStream->ReadUInt32( aInfoHeader2.nHeaderLen );
+ if (!m_pStream->good())
+ throw BadRead();
+
+ m_pImageData.reset( new sal_uInt8 [m_aBmpRec.nFileSize] );
+
sal_uInt32 N;
sal_uInt32 rgbTableSize;
@@ -1391,7 +1398,7 @@ void LwpDrawBitmap::Read()
throw BadRead();
N = aInfoHeader2.nPlanes * aInfoHeader2.nBitCount;
- if (N == 24)
+ if (N >= 16)
{
rgbTableSize = 0;
}
@@ -1411,7 +1418,7 @@ void LwpDrawBitmap::Read()
throw BadRead();
N = aInfoHeader2.nPlanes * aInfoHeader2.nBitCount;
- if (N == 24)
+ if (N >= 16)
{
rgbTableSize = 0;
}