diff options
Diffstat (limited to 'meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0002.patch')
-rw-r--r-- | meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0002.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0002.patch b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0002.patch new file mode 100644 index 0000000000..5686df78e1 --- /dev/null +++ b/meta-networking/recipes-connectivity/samba/samba/CVE-2022-3437-0002.patch @@ -0,0 +1,35 @@ +From c9cc34334bd64b08fe91a2f720262462e9f6bb49 Mon Sep 17 00:00:00 2001 +From: Joseph Sutton <josephsutton@catalyst.net.nz> +Date: Wed, 12 Oct 2022 13:57:55 +1300 +Subject: [PATCH] gsskrb5: CVE-2022-3437 Use constant-time memcmp() in + unwrap_des3() + +The surrounding checks all use ct_memcmp(), so this one was presumably +meant to as well. + +Samba BUG: https://bugzilla.samba.org/show_bug.cgi?id=15134 + +Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> +Reviewed-by: Andrew Bartlett <abartlet@samba.org> + +Upstream-Status: Backport [https://github.com/heimdal/heimdal/commit/c9cc34334bd64b08fe91a2f720262462e9f6bb49] +CVE: CVE-2022-3437 + +Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com> +--- + lib/gssapi/krb5/unwrap.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/gssapi/krb5/unwrap.c b/lib/gssapi/krb5/unwrap.c +index da939c0529..61a341ee43 100644 +--- a/lib/gssapi/krb5/unwrap.c ++++ b/lib/gssapi/krb5/unwrap.c +@@ -227,7 +227,7 @@ unwrap_des3 + if (ret) + return ret; + +- if (memcmp (p, "\x04\x00", 2) != 0) /* HMAC SHA1 DES3_KD */ ++ if (ct_memcmp (p, "\x04\x00", 2) != 0) /* HMAC SHA1 DES3_KD */ + return GSS_S_BAD_SIG; + p += 2; + if (ct_memcmp (p, "\x02\x00", 2) == 0) { |