diff options
Diffstat (limited to 'meta/recipes-extended/shadow/files/CVE-2023-29383.patch')
| -rw-r--r-- | meta/recipes-extended/shadow/files/CVE-2023-29383.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta/recipes-extended/shadow/files/CVE-2023-29383.patch b/meta/recipes-extended/shadow/files/CVE-2023-29383.patch new file mode 100644 index 0000000000..f53341d3fc --- /dev/null +++ b/meta/recipes-extended/shadow/files/CVE-2023-29383.patch @@ -0,0 +1,53 @@ +From e5905c4b84d4fb90aefcd96ee618411ebfac663d Mon Sep 17 00:00:00 2001 +From: tomspiderlabs <128755403+tomspiderlabs@users.noreply.github.com> +Date: Thu, 23 Mar 2023 23:39:38 +0000 +Subject: [PATCH] Added control character check + +Added control character check, returning -1 (to "err") if control characters are present. + +CVE: CVE-2023-29383 +Upstream-Status: Backport + +Reference to upstream: +https://github.com/shadow-maint/shadow/commit/e5905c4b84d4fb90aefcd96ee618411ebfac663d + +Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com> +--- + lib/fields.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +diff --git a/lib/fields.c b/lib/fields.c +index 640be931..fb51b582 100644 +--- a/lib/fields.c ++++ b/lib/fields.c +@@ -21,9 +21,9 @@ + * + * The supplied field is scanned for non-printable and other illegal + * characters. +- * + -1 is returned if an illegal character is present. +- * + 1 is returned if no illegal characters are present, but the field +- * contains a non-printable character. ++ * + -1 is returned if an illegal or control character is present. ++ * + 1 is returned if no illegal or control characters are present, ++ * but the field contains a non-printable character. + * + 0 is returned otherwise. + */ + int valid_field (const char *field, const char *illegal) +@@ -45,10 +45,13 @@ int valid_field (const char *field, const char *illegal) + } + + if (0 == err) { +- /* Search if there are some non-printable characters */ ++ /* Search if there are non-printable or control characters */ + for (cp = field; '\0' != *cp; cp++) { + if (!isprint (*cp)) { + err = 1; ++ } ++ if (!iscntrl (*cp)) { ++ err = -1; + break; + } + } +-- +2.34.1 + |