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SUSE:SLE-15-SP3:GA
ImageMagick.19146
ImageMagick-CVE-2020-27767,27768,27751,27752,27...
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File ImageMagick-CVE-2020-27767,27768,27751,27752,27757.patch of Package ImageMagick.19146
Index: ImageMagick-7.0.7-34/MagickCore/quantize.c =================================================================== --- ImageMagick-7.0.7-34.orig/MagickCore/quantize.c 2020-12-15 11:00:00.880241473 +0100 +++ ImageMagick-7.0.7-34/MagickCore/quantize.c 2020-12-15 11:00:01.080242661 +0100 @@ -874,7 +874,7 @@ static MagickBooleanType ClassifyImageCo error.alpha=QuantumScale*(pixel.alpha-mid.alpha); distance=(double) (error.red*error.red+error.green*error.green+ error.blue*error.blue+error.alpha*error.alpha); - if (IsNaN(distance)) + if (IsNaN(distance) != 0) distance=0.0; node_info->quantize_error+=count*sqrt(distance); cube_info->root->quantize_error+=node_info->quantize_error; @@ -981,7 +981,7 @@ static MagickBooleanType ClassifyImageCo error.alpha=QuantumScale*(pixel.alpha-mid.alpha); distance=(double) (error.red*error.red+error.green*error.green+ error.blue*error.blue+error.alpha*error.alpha); - if (IsNaN(distance) != MagickFalse) + if (IsNaN(distance) != 0) distance=0.0; node_info->quantize_error+=count*sqrt(distance); cube_info->root->quantize_error+=node_info->quantize_error; Index: ImageMagick-7.0.7-34/MagickCore/quantum.h =================================================================== --- ImageMagick-7.0.7-34.orig/MagickCore/quantum.h 2018-05-20 17:55:43.000000000 +0200 +++ ImageMagick-7.0.7-34/MagickCore/quantum.h 2020-12-15 11:00:01.080242661 +0100 @@ -18,6 +18,7 @@ #ifndef MAGICKCORE_QUANTUM_H #define MAGICKCORE_QUANTUM_H +#include <float.h> #include "MagickCore/image.h" #include "MagickCore/semaphore.h" @@ -81,16 +82,16 @@ typedef enum typedef struct _QuantumInfo QuantumInfo; -static inline Quantum ClampToQuantum(const MagickRealType value) +static inline Quantum ClampToQuantum(const MagickRealType quantum) { #if defined(MAGICKCORE_HDRI_SUPPORT) - return((Quantum) value); + return((Quantum) quantum); #else - if (value <= 0.0f) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return((Quantum) 0); - if (value >= (MagickRealType) QuantumRange) + if (quantum >= (MagickRealType) QuantumRange) return(QuantumRange); - return((Quantum) (value+0.5f)); + return((Quantum) (quantum+0.5)); #endif } @@ -100,7 +101,7 @@ static inline unsigned char ScaleQuantum #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned char) quantum); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if (quantum >= 255.0) return(255); @@ -113,7 +114,7 @@ static inline unsigned char ScaleQuantum #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned char) (((quantum+128UL)-((quantum+128UL) >> 8)) >> 8)); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((quantum/257.0) >= 255.0) return(255); @@ -127,7 +128,7 @@ static inline unsigned char ScaleQuantum return((unsigned char) ((quantum+MagickULLConstant(8421504))/ MagickULLConstant(16843009))); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((quantum/16843009.0) >= 255.0) return(255); @@ -140,7 +141,7 @@ static inline unsigned char ScaleQuantum #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned char) (quantum/72340172838076673.0+0.5)); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((quantum/72340172838076673.0) >= 255.0) return(255); Index: ImageMagick-7.0.7-34/MagickCore/quantum-import.c =================================================================== --- ImageMagick-7.0.7-34.orig/MagickCore/quantum-import.c 2018-05-20 17:55:43.000000000 +0200 +++ ImageMagick-7.0.7-34/MagickCore/quantum-import.c 2020-12-15 11:00:01.080242661 +0100 @@ -139,20 +139,18 @@ static inline const unsigned char *PushD quantum[5]=(*pixels++); quantum[6]=(*pixels++); quantum[7]=(*pixels++); - p=(double *) quantum; - *pixel=(*p); - *pixel-=quantum_info->minimum; - *pixel*=quantum_info->scale; - return(pixels); } - quantum[7]=(*pixels++); - quantum[6]=(*pixels++); - quantum[5]=(*pixels++); - quantum[4]=(*pixels++); - quantum[3]=(*pixels++); - quantum[2]=(*pixels++); - quantum[1]=(*pixels++); - quantum[0]=(*pixels++); + else + { + quantum[7]=(*pixels++); + quantum[6]=(*pixels++); + quantum[5]=(*pixels++); + quantum[4]=(*pixels++); + quantum[3]=(*pixels++); + quantum[2]=(*pixels++); + quantum[1]=(*pixels++); + quantum[0]=(*pixels++); + } p=(double *) quantum; *pixel=(*p); *pixel-=quantum_info->minimum; @@ -175,20 +173,23 @@ static inline const unsigned char *PushQ quantum[1]=(*pixels++); quantum[2]=(*pixels++); quantum[3]=(*pixels++); - p=(float *) quantum; - *pixel=(*p); - *pixel-=quantum_info->minimum; - *pixel*=quantum_info->scale; - return(pixels); - } - quantum[3]=(*pixels++); - quantum[2]=(*pixels++); - quantum[1]=(*pixels++); - quantum[0]=(*pixels++); + } + else + { + quantum[3]=(*pixels++); + quantum[2]=(*pixels++); + quantum[1]=(*pixels++); + quantum[0]=(*pixels++); + } p=(float *) quantum; *pixel=(*p); *pixel-=quantum_info->minimum; *pixel*=quantum_info->scale; + if (*pixel < FLT_MIN) + *pixel=FLT_MIN; + else + if (*pixel > FLT_MAX) + *pixel=FLT_MAX; return(pixels); } Index: ImageMagick-7.0.7-34/MagickCore/quantum-private.h =================================================================== --- ImageMagick-7.0.7-34.orig/MagickCore/quantum-private.h 2018-05-20 17:55:43.000000000 +0200 +++ ImageMagick-7.0.7-34/MagickCore/quantum-private.h 2020-12-15 11:01:39.320825266 +0100 @@ -324,7 +324,15 @@ static inline Quantum ScaleAnyToQuantum( static inline QuantumAny ScaleQuantumToAny(const Quantum quantum, const QuantumAny range) { - return((QuantumAny) (((double) range*quantum)/QuantumRange+0.5)); +#if !defined(MAGICKCORE_HDRI_SUPPORT) + return((QuantumAny) ((double) range*quantum/QuantumRange)); +#else + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return((QuantumAny) 0UL); + if (((double) range*quantum/QuantumRange) >= 18446744073709551615.0) + return((QuantumAny) MagickULLConstant(18446744073709551615)); + return((QuantumAny) ((double) range*quantum/QuantumRange+0.5)); +#endif } #if (MAGICKCORE_QUANTUM_DEPTH == 8) @@ -370,8 +370,8 @@ static inline unsigned int ScaleQuantumT #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) (16843009UL*quantum)); #else - if (quantum <= 0.0) - return(0UL); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); if ((16843009.0*quantum) >= 4294967295.0) return(4294967295UL); return((unsigned int) (16843009.0*quantum+0.5)); @@ -383,7 +383,7 @@ static inline MagickSizeType ScaleQuantu #if !defined(MAGICKCORE_HDRI_SUPPORT) return((MagickSizeType) (MagickULLConstant(551911719039)*quantum)); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0UL); if ((551911719039.0*quantum) >= 18446744073709551615.0) return(MagickULLConstant(18446744073709551615)); @@ -398,8 +398,8 @@ static inline unsigned int ScaleQuantumT #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) quantum); #else - if (quantum < 0.0) - return(0UL); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); return((unsigned int) (quantum+0.5)); #endif } @@ -409,7 +409,7 @@ static inline unsigned short ScaleQuantu #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned short) (257UL*quantum)); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((257.0*quantum) >= 65535.0) return(65535); @@ -473,8 +473,8 @@ static inline unsigned int ScaleQuantumT #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) (65537UL*quantum)); #else - if (quantum <= 0.0) - return(0UL); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); if ((65537.0*quantum) >= 4294967295.0) return(4294967295U); return((unsigned int) (65537.0*quantum+0.5)); @@ -486,7 +486,7 @@ static inline MagickSizeType ScaleQuantu #if !defined(MAGICKCORE_HDRI_SUPPORT) return((MagickSizeType) (MagickULLConstant(16842752)*quantum)); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0UL); if ((65537.0*quantum) >= 18446744073709551615.0) return(MagickULLConstant(18446744073709551615)); @@ -501,8 +501,8 @@ static inline unsigned int ScaleQuantumT #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) quantum); #else - if (quantum < 0.0) - return(0UL); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); return((unsigned int) (quantum+0.5)); #endif } @@ -512,7 +512,7 @@ static inline unsigned short ScaleQuantu #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned short) quantum); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if (quantum >= 65535.0) return(65535); @@ -562,8 +562,8 @@ static inline unsigned int ScaleQuantumT #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) quantum); #else - if (quantum <= 0.0) - return(0); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); if ((quantum) >= 4294967295.0) return(4294967295); return((unsigned int) (quantum+0.5)); @@ -581,14 +581,14 @@ static inline MagickSizeType ScaleQuantu static inline unsigned int ScaleQuantumToMap(const Quantum quantum) { - if (quantum < 0.0) - return(0UL); if ((quantum/65537) >= (Quantum) MaxMap) return((unsigned int) MaxMap); #if !defined(MAGICKCORE_HDRI_SUPPORT) return((unsigned int) ((quantum+MagickULLConstant(32768))/ MagickULLConstant(65537))); #else + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); return((unsigned int) (quantum/65537.0+0.5)); #endif } @@ -599,7 +599,7 @@ static inline unsigned short ScaleQuantu return((unsigned short) ((quantum+MagickULLConstant(32768))/ MagickULLConstant(65537))); #else - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((quantum/65537.0) >= 65535.0) return(65535); @@ -652,8 +652,8 @@ static inline MagickSizeType ScaleQuantu static inline unsigned int ScaleQuantumToMap(const Quantum quantum) { - if (quantum <= 0.0) - return(0UL); + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) + return(0U); if ((quantum/281479271743489.0) >= MaxMap) return((unsigned int) MaxMap); return((unsigned int) (quantum/281479271743489.0+0.5)); @@ -661,7 +661,7 @@ static inline unsigned int ScaleQuantumT static inline unsigned short ScaleQuantumToShort(const Quantum quantum) { - if (quantum <= 0.0) + if ((IsNaN(quantum) != 0) || (quantum <= 0.0)) return(0); if ((quantum/281479271743489.0) >= 65535.0) return(65535);
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