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authorAndreas Rammhold <andreas@rammhold.de>2017-11-07 16:10:18 +0100
committerAndreas Rammhold <andreas@rammhold.de>2017-11-07 17:01:45 +0100
commitd0c8c66068ffaa0bc10f4749c7e4d8df728fc9c3 (patch)
treeaf4be012f25540f02111e212eb3a1fa1fa3080fe /pkgs
parentcfafd6f5a819472911eaf2650b50a62f0c143e3e (diff)
cvs: fix CVE-2017-12836
This patch is based on the work of the patch from Thorsten Glaser (MirBSD) [1] [1] http://www.mirbsd.org/cvs.cgi/src/gnu/usr.bin/cvs/src/rsh-client.c.diff?r1=1.6;r2=1.7
Diffstat (limited to 'pkgs')
-rw-r--r--pkgs/applications/version-management/cvs/CVE-2017-12836.patch29
-rw-r--r--pkgs/applications/version-management/cvs/default.nix1
2 files changed, 30 insertions, 0 deletions
diff --git a/pkgs/applications/version-management/cvs/CVE-2017-12836.patch b/pkgs/applications/version-management/cvs/CVE-2017-12836.patch
new file mode 100644
index 000000000000..950079423685
--- /dev/null
+++ b/pkgs/applications/version-management/cvs/CVE-2017-12836.patch
@@ -0,0 +1,29 @@
+--- a/src/rsh-client.c.orig 2005-10-02 17:17:21.000000000 +0200
++++ b/src/rsh-client.c 2017-11-07 16:56:06.957370469 +0100
+@@ -53,7 +53,7 @@
+ char *cvs_server = (root->cvs_server != NULL
+ ? root->cvs_server : getenv ("CVS_SERVER"));
+ int i = 0;
+- /* This needs to fit "rsh", "-b", "-l", "USER", "host",
++ /* This needs to fit "rsh", "-b", "-l", "USER", "--", "host",
+ "cmd (w/ args)", and NULL. We leave some room to grow. */
+ char *rsh_argv[10];
+
+@@ -97,6 +97,9 @@
+ rsh_argv[i++] = root->username;
+ }
+
++ /* Only non-option arguments from here. (CVE-2017-12836) */
++ rsh_argv[i++] = "--";
++
+ rsh_argv[i++] = root->hostname;
+ rsh_argv[i++] = cvs_server;
+ rsh_argv[i++] = "server";
+@@ -171,6 +174,7 @@
+ *p++ = root->username;
+ }
+
++ *p++ = "--";
+ *p++ = root->hostname;
+ *p++ = command;
+ *p++ = NULL;
diff --git a/pkgs/applications/version-management/cvs/default.nix b/pkgs/applications/version-management/cvs/default.nix
index 8c69517a7506..a330db6a8d67 100644
--- a/pkgs/applications/version-management/cvs/default.nix
+++ b/pkgs/applications/version-management/cvs/default.nix
@@ -11,6 +11,7 @@ stdenv.mkDerivation {
patches = [
./getcwd-chroot.patch
./CVE-2012-0804.patch
+ ./CVE-2017-12836.patch
];
hardeningDisable = [ "fortify" "format" ];