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authorWenzong Fan <wenzong.fan@windriver.com>2013-06-18 23:21:29 -0400
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-06-19 09:08:50 +0100
commit871ae7a6453b3b66610fd8bbaa770c92be850e19 (patch)
tree96efe94f9b8bf9b6f5d8de16d5240db6dd4688cf /meta/recipes-extended/pam
parentf24aed8d7e41cce277c6eff4ff5ab07b8e39ffff (diff)
downloadopenembedded-core-871ae7a6453b3b66610fd8bbaa770c92be850e19.tar.gz
libpam: Fix for CVE-2010-4708
Change default for user_readenv to 0 and document the new default for user_readenv. This fix from: http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_env /pam_env.c?r1=1.22&r2=1.23&view=patch http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_env /pam_env.8.xml?r1=1.7&r2=1.8&view=patch Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-extended/pam')
-rw-r--r--meta/recipes-extended/pam/libpam/libpam-fix-for-CVE-2010-4708.patch41
-rw-r--r--meta/recipes-extended/pam/libpam_1.1.6.bb1
2 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-extended/pam/libpam/libpam-fix-for-CVE-2010-4708.patch b/meta/recipes-extended/pam/libpam/libpam-fix-for-CVE-2010-4708.patch
new file mode 100644
index 0000000000..5d2b69aae0
--- /dev/null
+++ b/meta/recipes-extended/pam/libpam/libpam-fix-for-CVE-2010-4708.patch
@@ -0,0 +1,41 @@
+Upstream-Status: Backport
+
+Fix for CVE-2010-4708
+
+Change default for user_readenv to 0 and document the
+new default for user_readenv.
+
+This fix is got from:
+http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_env
+/pam_env.c?r1=1.22&r2=1.23&view=patch
+http://pam.cvs.sourceforge.net/viewvc/pam/Linux-PAM/modules/pam_env
+/pam_env.8.xml?r1=1.7&r2=1.8&view=patch
+
+Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
+
+---
+--- a/modules/pam_env/pam_env.c 2012-09-05 13:57:47.000000000 +0800
++++ b/modules/pam_env/pam_env.c 2012-09-05 13:58:05.000000000 +0800
+@@ -10,7 +10,7 @@
+ #define DEFAULT_READ_ENVFILE 1
+
+ #define DEFAULT_USER_ENVFILE ".pam_environment"
+-#define DEFAULT_USER_READ_ENVFILE 1
++#define DEFAULT_USER_READ_ENVFILE 0
+
+ #include "config.h"
+
+--- a/modules/pam_env/pam_env.8.xml 2012-09-05 13:58:24.000000000 +0800
++++ b/modules/pam_env/pam_env.8.xml 2012-09-05 13:59:36.000000000 +0800
+@@ -147,7 +147,10 @@
+ <listitem>
+ <para>
+ Turns on or off the reading of the user specific environment
+- file. 0 is off, 1 is on. By default this option is on.
++ file. 0 is off, 1 is on. By default this option is off as user
++ supplied environment variables in the PAM environment could affect
++ behavior of subsequent modules in the stack without the consent
++ of the system administrator.
+ </para>
+ </listitem>
+ </varlistentry>
diff --git a/meta/recipes-extended/pam/libpam_1.1.6.bb b/meta/recipes-extended/pam/libpam_1.1.6.bb
index 73a8f88163..94101d4819 100644
--- a/meta/recipes-extended/pam/libpam_1.1.6.bb
+++ b/meta/recipes-extended/pam/libpam_1.1.6.bb
@@ -22,6 +22,7 @@ SRC_URI = "http://linux-pam.org/library/Linux-PAM-${PV}.tar.bz2 \
file://fixsepbuild.patch \
file://reflect-the-enforce_for_root-semantics-change-in-pam.patch \
file://add-checks-for-crypt-returning-NULL.patch \
+ file://libpam-fix-for-CVE-2010-4708.patch \
"
SRC_URI[md5sum] = "7b73e58b7ce79ffa321d408de06db2c4"
SRC_URI[sha256sum] = "bab887d6280f47fc3963df3b95735a27a16f0f663636163ddf3acab5f1149fc2"