From: Peter Marko <peter.ma...@siemens.com> backport relevant parts from https://invisible-island.net/archives/ncurses/6.4/ncurses-6.4-20230424.patch.gz
Signed-off-by: Peter Marko <peter.ma...@siemens.com> Signed-off-by: Steve Sakoman <st...@sakoman.com> --- .../ncurses/files/CVE-2023-50495.patch | 81 +++++++++++++++++++ .../ncurses/ncurses_6.3+20220423.bb | 1 + 2 files changed, 82 insertions(+) create mode 100644 meta/recipes-core/ncurses/files/CVE-2023-50495.patch diff --git a/meta/recipes-core/ncurses/files/CVE-2023-50495.patch b/meta/recipes-core/ncurses/files/CVE-2023-50495.patch new file mode 100644 index 0000000000..e5a8f43b01 --- /dev/null +++ b/meta/recipes-core/ncurses/files/CVE-2023-50495.patch @@ -0,0 +1,81 @@ +commit ebc08cff36689eec54edc1ce2de6ebac826bd6cd +Author: Peter Marko <peter.ma...@siemens.com> +Date: Fri Apr 12 23:56:25 2024 +0200 + +check return value of _nc_save_str(), in special case for tic where +extended capabilities are processed but the terminal description was +not initialized (report by Ziqiao Kong). + +Only parts relevant for this CVE was extracted from upstream patch. + +CVE: CVE-2023-45853 +Upstream-Status: Backport [https://invisible-island.net/archives/ncurses/6.4/ncurses-6.4-20230424.patch.gz] + +Signed-off-by: Peter Marko <peter.ma...@siemens.com> + +--- + ncurses/tinfo/parse_entry.c | 23 ++++++++++++++++------- + 1 file changed, 16 insertions(+), 7 deletions(-) + +diff --git a/ncurses/tinfo/parse_entry.c b/ncurses/tinfo/parse_entry.c +index a77cd0b..8ac02ac 100644 +--- a/ncurses/tinfo/parse_entry.c ++++ b/ncurses/tinfo/parse_entry.c +@@ -110,7 +110,7 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type) + /* Well, we are given a cancel for a name that we don't recognize */ + return _nc_extend_names(entryp, name, STRING); + default: +- return 0; ++ return NULL; + } + + /* Adjust the 'offset' (insertion-point) to keep the lists of extended +@@ -142,6 +142,11 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type) + for (last = (unsigned) (max - 1); last > tindex; last--) + + if (!found) { ++ char *saved; ++ ++ if ((saved = _nc_save_str(name)) == NULL) ++ return NULL; ++ + switch (token_type) { + case BOOLEAN: + tp->ext_Booleans++; +@@ -169,7 +174,7 @@ _nc_extend_names(ENTRY * entryp, const char *name, int token_type) + TYPE_REALLOC(char *, actual, tp->ext_Names); + while (--actual > offset) + tp->ext_Names[actual] = tp->ext_Names[actual - 1]; +- tp->ext_Names[offset] = _nc_save_str(name); ++ tp->ext_Names[offset] = saved; + } + + temp.nte_name = tp->ext_Names[offset]; +@@ -337,6 +342,8 @@ _nc_parse_entry(ENTRY * entryp, int literal, bool silent) + bool is_use = (strcmp(_nc_curr_token.tk_name, "use") == 0); + bool is_tc = !is_use && (strcmp(_nc_curr_token.tk_name, "tc") == 0); + if (is_use || is_tc) { ++ char *saved; ++ + if (!VALID_STRING(_nc_curr_token.tk_valstring) + || _nc_curr_token.tk_valstring[0] == '\0') { + _nc_warning("missing name for use-clause"); +@@ -350,11 +357,13 @@ _nc_parse_entry(ENTRY * entryp, int literal, bool silent) + _nc_curr_token.tk_valstring); + continue; + } +- entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring); +- entryp->uses[entryp->nuses].line = _nc_curr_line; +- entryp->nuses++; +- if (entryp->nuses > 1 && is_tc) { +- BAD_TC_USAGE ++ if ((saved = _nc_save_str(_nc_curr_token.tk_valstring)) != NULL) { ++ entryp->uses[entryp->nuses].name = saved; ++ entryp->uses[entryp->nuses].line = _nc_curr_line; ++ entryp->nuses++; ++ if (entryp->nuses > 1 && is_tc) { ++ BAD_TC_USAGE ++ } + } + } else { + /* normal token lookup */ diff --git a/meta/recipes-core/ncurses/ncurses_6.3+20220423.bb b/meta/recipes-core/ncurses/ncurses_6.3+20220423.bb index a34a7bdfdc..da1e6d838d 100644 --- a/meta/recipes-core/ncurses/ncurses_6.3+20220423.bb +++ b/meta/recipes-core/ncurses/ncurses_6.3+20220423.bb @@ -4,6 +4,7 @@ SRC_URI += "file://0001-tic-hang.patch \ file://0002-configure-reproducible.patch \ file://0003-gen-pkgconfig.in-Do-not-include-LDFLAGS-in-generated.patch \ file://CVE-2023-29491.patch \ + file://CVE-2023-50495.patch \ " # commit id corresponds to the revision in package version SRCREV = "a0bc708bc6954b5d3c0a38d92b683c3ec3135260" -- 2.34.1
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