diff options
Diffstat (limited to 'meta/recipes-connectivity/openssh/openssh/0001-upstream-fix-integer-overflow-in-XMSS-private-key-pa.patch')
-rw-r--r-- | meta/recipes-connectivity/openssh/openssh/0001-upstream-fix-integer-overflow-in-XMSS-private-key-pa.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/openssh/openssh/0001-upstream-fix-integer-overflow-in-XMSS-private-key-pa.patch b/meta/recipes-connectivity/openssh/openssh/0001-upstream-fix-integer-overflow-in-XMSS-private-key-pa.patch new file mode 100644 index 0000000000..3265be3485 --- /dev/null +++ b/meta/recipes-connectivity/openssh/openssh/0001-upstream-fix-integer-overflow-in-XMSS-private-key-pa.patch @@ -0,0 +1,40 @@ +From 2014fad3d28090b59d2f8a0971166c06e5fa6da6 Mon Sep 17 00:00:00 2001 +From: Hongxu Jia <hongxu.jia@windriver.com> +Date: Fri, 18 Oct 2019 14:56:58 +0800 +Subject: [PATCH] upstream: fix integer overflow in XMSS private key parsing. + +Reported by Adam Zabrocki via SecuriTeam's SSH program. + +Note that this code is experimental and not compiled by default. + +ok markus@ + +OpenBSD-Commit-ID: cd0361896d15e8a1bac495ac583ff065ffca2be1 + +Signed-off-by: "djm@openbsd.org" <djm@openbsd.org> + +Upstream-Status: Backport [https://github.com/openssh/openssh-portable/commit/a546b17bbaeb12beac4c9aeed56f74a42b18a93a] +CVE: CVE-2019-16905 + +Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> +--- + sshkey-xmss.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/sshkey-xmss.c b/sshkey-xmss.c +index aaae702..c57681a 100644 +--- a/sshkey-xmss.c ++++ b/sshkey-xmss.c +@@ -977,7 +977,8 @@ sshkey_xmss_decrypt_state(const struct sshkey *k, struct sshbuf *encoded, + goto out; + } + /* check that an appropriate amount of auth data is present */ +- if (sshbuf_len(encoded) < encrypted_len + authlen) { ++ if (sshbuf_len(encoded) < authlen || ++ sshbuf_len(encoded) - authlen < encrypted_len) { + r = SSH_ERR_INVALID_FORMAT; + goto out; + } +-- +2.7.4 + |