diff options
Diffstat (limited to 'meta/recipes-connectivity/openssh/openssh/CVE-2021-41617.patch')
| -rw-r--r-- | meta/recipes-connectivity/openssh/openssh/CVE-2021-41617.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/openssh/openssh/CVE-2021-41617.patch b/meta/recipes-connectivity/openssh/openssh/CVE-2021-41617.patch new file mode 100644 index 0000000000..9ca7c2f202 --- /dev/null +++ b/meta/recipes-connectivity/openssh/openssh/CVE-2021-41617.patch @@ -0,0 +1,49 @@ +From 1f0707e8e78ef290fd0f229df3fcd2236f29db89 Mon Sep 17 00:00:00 2001 +From: Changqing Li <changqing.li@windriver.com> +Date: Thu, 28 Oct 2021 11:11:05 +0800 +Subject: [PATCH] upstream: need initgroups() before setresgid(); reported by + anton@, + +ok deraadt@ + +OpenBSD-Commit-ID: 6aa003ee658b316960d94078f2a16edbc25087ce + +CVE: CVE-2021-41617 +Upstream-Status: [Backport] +https://github.com/openssh/openssh-portable/commit/f3cbe43e28fe71427d41cfe3a17125b972710455 +https://github.com/openssh/openssh-portable/commit/bf944e3794eff5413f2df1ef37cddf96918c6bde + +Signed-off-by: Changqing Li <changqing.li@windriver.com> +--- + misc.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/misc.c b/misc.c +index d988ce3..33eca1c 100644 +--- a/misc.c ++++ b/misc.c +@@ -56,6 +56,7 @@ + #ifdef HAVE_PATHS_H + # include <paths.h> + #include <pwd.h> ++#include <grp.h> + #endif + #ifdef SSH_TUN_OPENBSD + #include <net/if.h> +@@ -2629,6 +2630,13 @@ subprocess(const char *tag, const char *command, + } + closefrom(STDERR_FILENO + 1); + ++ if (geteuid() == 0 && ++ initgroups(pw->pw_name, pw->pw_gid) == -1) { ++ error("%s: initgroups(%s, %u): %s", tag, ++ pw->pw_name, (u_int)pw->pw_gid, strerror(errno)); ++ _exit(1); ++ } ++ + if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) == -1) { + error("%s: setresgid %u: %s", tag, (u_int)pw->pw_gid, + strerror(errno)); +-- +2.17.1 + |