diff options
Diffstat (limited to 'meta/recipes-core/busybox/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch')
| -rw-r--r-- | meta/recipes-core/busybox/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-core/busybox/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch b/meta/recipes-core/busybox/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch new file mode 100644 index 0000000000..4635250170 --- /dev/null +++ b/meta/recipes-core/busybox/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch @@ -0,0 +1,41 @@ +From 0c8da1bead8ffaf270b4b723ead2c517371405d7 Mon Sep 17 00:00:00 2001 +From: Ariadne Conill <ariadne@dereferenced.org> +Date: Sun, 3 Apr 2022 12:14:33 +0000 +Subject: [PATCH 1/2] libbb: sockaddr2str: ensure only printable characters are + returned for the hostname part + +CVE: CVE-2022-28391 +Upstream-Status: Pending +Signed-off-by: Ariadne Conill <ariadne@dereferenced.org> +Signed-off-by: Steve Sakoman <steve@sakoman.com> +--- + libbb/xconnect.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/libbb/xconnect.c b/libbb/xconnect.c +index 0e0b247b8..02c061e67 100644 +--- a/libbb/xconnect.c ++++ b/libbb/xconnect.c +@@ -497,8 +497,9 @@ static char* FAST_FUNC sockaddr2str(const struct sockaddr *sa, int flags) + ); + if (rc) + return NULL; ++ /* ensure host contains only printable characters */ + if (flags & IGNORE_PORT) +- return xstrdup(host); ++ return xstrdup(printable_string(host)); + #if ENABLE_FEATURE_IPV6 + if (sa->sa_family == AF_INET6) { + if (strchr(host, ':')) /* heh, it's not a resolved hostname */ +@@ -509,7 +510,7 @@ static char* FAST_FUNC sockaddr2str(const struct sockaddr *sa, int flags) + #endif + /* For now we don't support anything else, so it has to be INET */ + /*if (sa->sa_family == AF_INET)*/ +- return xasprintf("%s:%s", host, serv); ++ return xasprintf("%s:%s", printable_string(host), serv); + /*return xstrdup(host);*/ + } + +-- +2.35.1 + |