diff options
Diffstat (limited to 'meta-networking/recipes-connectivity/samba/samba/CVE-2022-2127.patch')
| -rw-r--r-- | meta-networking/recipes-connectivity/samba/samba/CVE-2022-2127.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-networking/recipes-connectivity/samba/samba/CVE-2022-2127.patch b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-2127.patch new file mode 100644 index 0000000000..e94d5d538b --- /dev/null +++ b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-2127.patch @@ -0,0 +1,44 @@ +From 53838682570135b753fa622dfcde111528563c2d Mon Sep 17 00:00:00 2001 +From: Ralph Boehme <slow@samba.org> +Date: Fri, 16 Jun 2023 12:28:47 +0200 +Subject: [PATCH] CVE-2022-2127: ntlm_auth: cap lanman response length value + +We already copy at most sizeof(request.data.auth_crap.lm_resp) bytes to the +lm_resp buffer, but we don't cap the length indicator. + +BUG: https://bugzilla.samba.org/show_bug.cgi?id=15072 + +Signed-off-by: Ralph Boehme <slow@samba.org> + +CVE: CVE-2022-2127 + +Upstream-Status: Backport [https://github.com/samba-team/samba/commit/53838682570135b753fa622dfcde111528563c2d] + +Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com> +--- + source3/utils/ntlm_auth.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c +index 02a2379..c82ea45 100644 +--- a/source3/utils/ntlm_auth.c ++++ b/source3/utils/ntlm_auth.c +@@ -574,10 +574,14 @@ NTSTATUS contact_winbind_auth_crap(const char *username, + memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8)); + + if (lm_response && lm_response->length) { ++ size_t capped_lm_response_len = MIN( ++ lm_response->length, ++ sizeof(request.data.auth_crap.lm_resp)); ++ + memcpy(request.data.auth_crap.lm_resp, + lm_response->data, +- MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp))); +- request.data.auth_crap.lm_resp_len = lm_response->length; ++ capped_lm_response_len); ++ request.data.auth_crap.lm_resp_len = capped_lm_response_len; + } + + if (nt_response && nt_response->length) { +-- +2.40.0 |