From: Peter Marko Date: Sun, 11 May 2025 20:50:51 +0000 (+0200) Subject: perl: patch CVE-2024-56406 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e3c821e9ce8f3a9667847a284bc5a6f4973ea13;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git perl: patch CVE-2024-56406 Pick patch mentioned in NVD links for this CVE. Tested by runniing ptest and CVE reproducer (before&after). Ptest fails on test dist/threads/t/join, however the same test also fails without this patch. Signed-off-by: Peter Marko Signed-off-by: Steve Sakoman --- diff --git a/meta/recipes-devtools/perl/files/0001-CVE-2024-56406-Heap-buffer-overflow-with-tr.patch b/meta/recipes-devtools/perl/files/0001-CVE-2024-56406-Heap-buffer-overflow-with-tr.patch new file mode 100644 index 00000000000..377ef95f120 --- /dev/null +++ b/meta/recipes-devtools/perl/files/0001-CVE-2024-56406-Heap-buffer-overflow-with-tr.patch @@ -0,0 +1,30 @@ +From 87f42aa0e0096e9a346c9672aa3a0bd3bef8c1dd Mon Sep 17 00:00:00 2001 +From: Karl Williamson +Date: Wed, 18 Dec 2024 18:25:29 -0700 +Subject: [PATCH] CVE-2024-56406: Heap-buffer-overflow with tr// + +This was due to underallocating needed space. If the translation forces +something to become UTF-8 that is initially bytes, that UTF-8 could +now require two bytes where previously a single one would do. + +(cherry picked from commit f93109c8a6950aafbd7488d98e112552033a3686) + +CVE: CVE-2024-56406 +Upstream-Status: Backport [https://github.com/Perl/perl5/commit/87f42aa0e0096e9a346c9672aa3a0bd3bef8c1dd] +Signed-off-by: Peter Marko +--- + op.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/op.c b/op.c +index 69ff030e88..298b292633 100644 +--- a/op.c ++++ b/op.c +@@ -7515,6 +7515,7 @@ S_pmtrans(pTHX_ OP *o, OP *expr, OP *repl) + * same time. But otherwise one crosses before the other */ + if (t_cp < 256 && r_cp_end > 255 && r_cp != t_cp) { + can_force_utf8 = TRUE; ++ max_expansion = MAX(2, max_expansion); + } + } + diff --git a/meta/recipes-devtools/perl/perl_5.34.3.bb b/meta/recipes-devtools/perl/perl_5.34.3.bb index ed3518b62d4..f6ebbf2d16a 100644 --- a/meta/recipes-devtools/perl/perl_5.34.3.bb +++ b/meta/recipes-devtools/perl/perl_5.34.3.bb @@ -21,6 +21,7 @@ SRC_URI = "https://www.cpan.org/src/5.0/perl-${PV}.tar.gz;name=perl \ file://CVE-2023-31484.patch \ file://CVE-2023-31486-0001.patch \ file://CVE-2023-31486-0002.patch \ + file://0001-CVE-2024-56406-Heap-buffer-overflow-with-tr.patch \ " SRC_URI:append:class-native = " \ file://perl-configpm-switch.patch \