From: Archana Polampalli <archana.polampa...@windriver.com> Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com> --- .../ghostscript/CVE-2024-33870.patch | 92 +++++++++++++++++++ .../ghostscript/ghostscript_9.55.0.bb | 1 + 2 files changed, 93 insertions(+) create mode 100644 meta/recipes-extended/ghostscript/ghostscript/CVE-2024-33870.patch
diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-33870.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-33870.patch new file mode 100644 index 0000000000..0d289b6d07 --- /dev/null +++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2024-33870.patch @@ -0,0 +1,92 @@ +From 79aef19c685984dc3da2dc090450407d9fbcff80 Mon Sep 17 00:00:00 2001 +From: Ken Sharp <ken.sh...@artifex.com> +Date: Tue, 26 Mar 2024 12:00:14 +0000 +Subject: [PATCH 1/5] Bug #707686 + +See bug thread for details + +In addition to the noted bug; an error path (return from +gp_file_name_reduce not successful) could elad to a memory leak as we +did not free 'bufferfull'. Fix that too. + +This addresses CVE-2024-33870 + +CVE: CVE-2024-33870 + +Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=79aef19c685984dc] + +Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com> +--- + base/gpmisc.c | 33 ++++++++++++++++++++++++++++++--- + 1 file changed, 30 insertions(+), 3 deletions(-) + +diff --git a/base/gpmisc.c b/base/gpmisc.c +index f9a9230..3b6fffa 100644 +--- a/base/gpmisc.c ++++ b/base/gpmisc.c +@@ -1042,7 +1042,7 @@ gp_validate_path_len(const gs_memory_t *mem, + const uint len, + const char *mode) + { +- char *buffer, *bufferfull; ++ char *buffer, *bufferfull = NULL; + uint rlen; + int code = 0; + const char *cdirstr = gp_file_name_current(); +@@ -1095,8 +1095,10 @@ gp_validate_path_len(const gs_memory_t *mem, + return gs_error_VMerror; + + buffer = bufferfull + prefix_len; +- if (gp_file_name_reduce(path, (uint)len, buffer, &rlen) != gp_combine_success) +- return gs_error_invalidfileaccess; ++ if (gp_file_name_reduce(path, (uint)len, buffer, &rlen) != gp_combine_success) { ++ code = gs_note_error(gs_error_invalidfileaccess); ++ goto exit; ++ } + buffer[rlen] = 0; + } + while (1) { +@@ -1131,9 +1133,33 @@ gp_validate_path_len(const gs_memory_t *mem, + code = gs_note_error(gs_error_invalidfileaccess); + } + if (code < 0 && prefix_len > 0 && buffer > bufferfull) { ++ uint newlen = rlen + cdirstrl + dirsepstrl; ++ char *newbuffer; ++ int code; ++ + buffer = bufferfull; + memcpy(buffer, cdirstr, cdirstrl); + memcpy(buffer + cdirstrl, dirsepstr, dirsepstrl); ++ /* We've prepended a './' or similar for the current working directory. We need ++ * to execute file_name_reduce on that, to eliminate any '../' or similar from ++ * the (new) full path. ++ */ ++ newbuffer = (char *)gs_alloc_bytes(mem->thread_safe_memory, newlen + 1, "gp_validate_path"); ++ if (newbuffer == NULL) { ++ code = gs_note_error(gs_error_VMerror); ++ goto exit; ++ } ++ ++ memcpy(newbuffer, buffer, rlen + cdirstrl + dirsepstrl); ++ newbuffer[newlen] = 0x00; ++ ++ code = gp_file_name_reduce(newbuffer, (uint)newlen, buffer, &newlen); ++ gs_free_object(mem->thread_safe_memory, newbuffer, "gp_validate_path"); ++ if (code != gp_combine_success) { ++ code = gs_note_error(gs_error_invalidfileaccess); ++ goto exit; ++ } ++ + continue; + } + else if (code < 0 && cdirstrl > 0 && prefix_len == 0 && buffer == bufferfull) { +@@ -1152,6 +1178,7 @@ gp_validate_path_len(const gs_memory_t *mem, + gs_path_control_flag_is_scratch_file); + } + ++exit: + gs_free_object(mem->thread_safe_memory, bufferfull, "gp_validate_path"); + #ifdef EACCES + if (code == gs_error_invalidfileaccess) +-- +2.40.0 diff --git a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb index e99c740685..5fa4da0fb8 100644 --- a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb +++ b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb @@ -43,6 +43,7 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d file://CVE-2023-38559.patch \ file://CVE-2023-43115.patch \ file://CVE-2023-46751.patch \ + file://CVE-2024-33870.patch \ " SRC_URI = "${SRC_URI_BASE} \ -- 2.40.0
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