From: Ashish Sharma <asha...@mvista.com> Upstream-Status: Backport from [https://github.com/madler/zlib/commit/73331a6a0481067628f065ffe87bb1d8f787d10c]
Signed-off-by: Ashish Sharma <asha...@mvista.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- .../zlib/zlib/CVE-2023-45853.patch | 40 +++++++++++++++++++ meta/recipes-core/zlib/zlib_1.2.11.bb | 1 + 2 files changed, 41 insertions(+) create mode 100644 meta/recipes-core/zlib/zlib/CVE-2023-45853.patch diff --git a/meta/recipes-core/zlib/zlib/CVE-2023-45853.patch b/meta/recipes-core/zlib/zlib/CVE-2023-45853.patch new file mode 100644 index 0000000000..654579eb81 --- /dev/null +++ b/meta/recipes-core/zlib/zlib/CVE-2023-45853.patch @@ -0,0 +1,40 @@ +From 73331a6a0481067628f065ffe87bb1d8f787d10c Mon Sep 17 00:00:00 2001 +From: Hans Wennborg <h...@chromium.org> +Date: Fri, 18 Aug 2023 11:05:33 +0200 +Subject: [PATCH] Reject overflows of zip header fields in minizip. + +This checks the lengths of the file name, extra field, and comment +that would be put in the zip headers, and rejects them if they are +too long. They are each limited to 65535 bytes in length by the zip +format. This also avoids possible buffer overflows if the provided +fields are too long. + +Upstream-Status: Backport from [https://github.com/madler/zlib/commit/73331a6a0481067628f065ffe87bb1d8f787d10c] +CVE: CVE-2023-45853 +Signed-off-by: Ashish Sharma <asha...@mvista.com> +--- + contrib/minizip/zip.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c +index 3d3d4cadd..0446109b2 100644 +--- a/contrib/minizip/zip.c ++++ b/contrib/minizip/zip.c +@@ -1043,6 +1043,17 @@ extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char* filename, c + return ZIP_PARAMERROR; + #endif + ++ // The filename and comment length must fit in 16 bits. ++ if ((filename!=NULL) && (strlen(filename)>0xffff)) ++ return ZIP_PARAMERROR; ++ if ((comment!=NULL) && (strlen(comment)>0xffff)) ++ return ZIP_PARAMERROR; ++ // The extra field length must fit in 16 bits. If the member also requires ++ // a Zip64 extra block, that will also need to fit within that 16-bit ++ // length, but that will be checked for later. ++ if ((size_extrafield_local>0xffff) || (size_extrafield_global>0xffff)) ++ return ZIP_PARAMERROR; ++ + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 1) diff --git a/meta/recipes-core/zlib/zlib_1.2.11.bb b/meta/recipes-core/zlib/zlib_1.2.11.bb index e2fbc12bd8..910fc2ec17 100644 --- a/meta/recipes-core/zlib/zlib_1.2.11.bb +++ b/meta/recipes-core/zlib/zlib_1.2.11.bb @@ -11,6 +11,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/libpng/${BPN}/${PV}/${BPN}-${PV}.tar.xz \ file://CVE-2018-25032.patch \ file://run-ptest \ file://CVE-2022-37434.patch \ + file://CVE-2023-45853.patch \ " UPSTREAM_CHECK_URI = "http://zlib.net/"; -- 2.34.1
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