diff options
Diffstat (limited to 'debian/patches/CVE-2021-41617-1.patch')
| -rw-r--r-- | debian/patches/CVE-2021-41617-1.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/debian/patches/CVE-2021-41617-1.patch b/debian/patches/CVE-2021-41617-1.patch new file mode 100644 index 0000000..7d89b7e --- /dev/null +++ b/debian/patches/CVE-2021-41617-1.patch @@ -0,0 +1,35 @@ +From ad2748dee50e4c0040f6efda5eff4a34e4eb5b85 Mon Sep 17 00:00:00 2001 +From: "djm@openbsd.org" <djm@openbsd.org> +Date: Sun, 26 Sep 2021 14:01:03 +0000 +Subject: upstream: need initgroups() before setresgid(); reported by anton@, + +ok deraadt@ + +OpenBSD-Commit-ID: 6aa003ee658b316960d94078f2a16edbc25087ce + +Bug-Debian: https://bugs.debian.org/995130 +Origin: backport, https://anongit.mindrot.org/openssh.git/commit/?id=f3cbe43e28fe71427d41cfe3a17125b972710455 +Last-Update: 2023-12-19 + +Patch-Name: CVE-2021-41617-1.patch +--- + auth.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/auth.c b/auth.c +index 4152d9c44..32870851b 100644 +--- a/auth.c ++++ b/auth.c +@@ -853,6 +853,12 @@ subprocess(const char *tag, struct passwd *pw, 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); ++ } + /* Don't use permanently_set_uid() here to avoid fatal() */ + if (setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) == -1) { + error("%s: setresgid %u: %s", tag, (u_int)pw->pw_gid, |