On 5/25/21 12:59 AM, akash hadke wrote:
> From: "akash.hadke" <[email protected]>
>
> Added fix for below CVE's
>
> CVE-2019-5063
> CVE-2019-5064
> Link: 
> https://github.com/opencv/opencv/commit/f42d5399aac80d371b17d689851406669c9b9111.patch
>
> Signed-off-by: akash hadke <[email protected]>

wrong ml. should be openembedded-devel@.

patch noted.

-armin
> ---
>  .../opencv/CVE-2019-5063_and_2019-5064.patch       | 78 
> ++++++++++++++++++++++
>  meta-oe/recipes-support/opencv/opencv_4.1.0.bb     |  1 +
>  2 files changed, 79 insertions(+)
>  create mode 100644 
> meta-oe/recipes-support/opencv/opencv/CVE-2019-5063_and_2019-5064.patch
>
> diff --git 
> a/meta-oe/recipes-support/opencv/opencv/CVE-2019-5063_and_2019-5064.patch 
> b/meta-oe/recipes-support/opencv/opencv/CVE-2019-5063_and_2019-5064.patch
> new file mode 100644
> index 0000000..b4d5e6d
> --- /dev/null
> +++ b/meta-oe/recipes-support/opencv/opencv/CVE-2019-5063_and_2019-5064.patch
> @@ -0,0 +1,78 @@
> +From f42d5399aac80d371b17d689851406669c9b9111 Mon Sep 17 00:00:00 2001
> +From: Alexander Alekhin <[email protected]>
> +Date: Thu, 7 Nov 2019 14:01:51 +0300
> +Subject: [PATCH] core(persistence): add more checks for implementation
> + limitations
> +
> +Signed-off-by: akash hadke <[email protected]>
> +---
> + modules/core/src/persistence_json.cpp | 8 ++++++++
> + modules/core/src/persistence_xml.cpp  | 6 ++++--
> + 2 files changed, 12 insertions(+), 2 deletions(-)
> +---
> +CVE: CVE-2019-5063
> +CVE: CVE-2019-5064
> +Upstream-Status: Backport 
> [https://github.com/opencv/opencv/commit/f42d5399aac80d371b17d689851406669c9b9111.patch]
> +---
> +diff --git a/modules/core/src/persistence_json.cpp 
> b/modules/core/src/persistence_json.cpp
> +index 89914e6534f..2efdf17d3f5 100644
> +--- a/modules/core/src/persistence_json.cpp
> ++++ b/modules/core/src/persistence_json.cpp
> +@@ -578,10 +578,14 @@ class JSONParser : public FileStorageParser
> +                             sz = (int)(ptr - beg);
> +                             if( sz > 0 )
> +                             {
> ++                                if (i + sz >= CV_FS_MAX_LEN)
> ++                                    CV_PARSE_ERROR_CPP("string is too 
> long");
> +                                 memcpy(buf + i, beg, sz);
> +                                 i += sz;
> +                             }
> +                             ptr++;
> ++                            if (i + 1 >= CV_FS_MAX_LEN)
> ++                                CV_PARSE_ERROR_CPP("string is too long");
> +                             switch ( *ptr )
> +                             {
> +                             case '\\':
> +@@ -605,6 +609,8 @@ class JSONParser : public FileStorageParser
> +                             sz = (int)(ptr - beg);
> +                             if( sz > 0 )
> +                             {
> ++                                if (i + sz >= CV_FS_MAX_LEN)
> ++                                    CV_PARSE_ERROR_CPP("string is too 
> long");
> +                                 memcpy(buf + i, beg, sz);
> +                                 i += sz;
> +                             }
> +@@ -620,6 +626,8 @@ class JSONParser : public FileStorageParser
> +                             sz = (int)(ptr - beg);
> +                             if( sz > 0 )
> +                             {
> ++                                if (i + sz >= CV_FS_MAX_LEN)
> ++                                    CV_PARSE_ERROR_CPP("string is too 
> long");
> +                                 memcpy(buf + i, beg, sz);
> +                                 i += sz;
> +                             }
> +diff --git a/modules/core/src/persistence_xml.cpp 
> b/modules/core/src/persistence_xml.cpp
> +index 89876dd3da8..52b53744254 100644
> +--- a/modules/core/src/persistence_xml.cpp
> ++++ b/modules/core/src/persistence_xml.cpp
> +@@ -627,6 +627,8 @@ class XMLParser : public FileStorageParser
> +                                         c = '\"';
> +                                     else
> +                                     {
> ++                                        if (len + 2 + i >= CV_FS_MAX_LEN)
> ++                                            CV_PARSE_ERROR_CPP("string is 
> too long");
> +                                         memcpy( strbuf + i, ptr-1, len + 2 
> );
> +                                         i += len + 2;
> +                                     }
> +@@ -635,9 +637,9 @@ class XMLParser : public FileStorageParser
> +                                 
> CV_PERSISTENCE_CHECK_END_OF_BUFFER_BUG_CPP();
> +                             }
> +                         }
> ++                        if (i + 1 >= CV_FS_MAX_LEN)
> ++                            CV_PARSE_ERROR_CPP("Too long string literal");
> +                         strbuf[i++] = c;
> +-                        if( i >= CV_FS_MAX_LEN )
> +-                            CV_PARSE_ERROR_CPP( "Too long string literal" );
> +                     }
> +                     elem->setValue(FileNode::STRING, strbuf, i);
> +                 }
> diff --git a/meta-oe/recipes-support/opencv/opencv_4.1.0.bb 
> b/meta-oe/recipes-support/opencv/opencv_4.1.0.bb
> index de708fd..19d5d0c 100644
> --- a/meta-oe/recipes-support/opencv/opencv_4.1.0.bb
> +++ b/meta-oe/recipes-support/opencv/opencv_4.1.0.bb
> @@ -54,6 +54,7 @@ SRC_URI = "git://github.com/opencv/opencv.git;name=opencv \
>             file://CVE-2019-14493.patch \
>             file://CVE-2019-15939.patch \
>             file://CVE-2019-19624.patch \
> +           file://CVE-2019-5063_and_2019-5064.patch \
>             "
>  PV = "4.1.0"
>  
>
> 
>

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