diff options
| author | Leo Famulari <leo@famulari.name> | 2016-04-15 13:56:34 -0400 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2016-04-17 13:48:31 -0400 |
| commit | 67157996e23f1d6135659d91c1a15e3ac4afd4e0 (patch) | |
| tree | 619513fe220b157bc4f874168835bd437df49b08 /gnu | |
| parent | a7d94b54c7c505f5cf9a2691f5340ae3d2acda9e (diff) | |
| download | guix-67157996e23f1d6135659d91c1a15e3ac4afd4e0.tar.gz | |
gnu: openssh: Fix CVE-2015-8325.
* gnu/packages/patches/openssh-CVE-2015-8325.patch: New file. * gnu-system.am (dist_patch_DATA): Add it. * gnu/packages/ssh.scm (openssh): Use it.
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/patches/openssh-CVE-2015-8325.patch | 31 | ||||
| -rw-r--r-- | gnu/packages/ssh.scm | 3 |
2 files changed, 33 insertions, 1 deletions
diff --git a/gnu/packages/patches/openssh-CVE-2015-8325.patch b/gnu/packages/patches/openssh-CVE-2015-8325.patch new file mode 100644 index 0000000000..8063e64ea7 --- /dev/null +++ b/gnu/packages/patches/openssh-CVE-2015-8325.patch @@ -0,0 +1,31 @@ +From 85bdcd7c92fe7ff133bbc4e10a65c91810f88755 Mon Sep 17 00:00:00 2001 +From: Damien Miller <djm@mindrot.org> +Date: Wed, 13 Apr 2016 10:39:57 +1000 +Subject: ignore PAM environment vars when UseLogin=yes + +If PAM is configured to read user-specified environment variables +and UseLogin=yes in sshd_config, then a hostile local user may +attack /bin/login via LD_PRELOAD or similar environment variables +set via PAM. + +CVE-2015-8325, found by Shayan Sadigh, via Colin Watson +--- + session.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/session.c b/session.c +index 4859245..4653b09 100644 +--- a/session.c ++++ b/session.c +@@ -1322,7 +1322,7 @@ do_setup_env(Session *s, const char *shell) + * Pull in any environment variables that may have + * been set by PAM. + */ +- if (options.use_pam) { ++ if (options.use_pam && !options.use_login) { + char **p; + + p = fetch_pam_child_environment(); +-- +cgit v0.11.2 + diff --git a/gnu/packages/ssh.scm b/gnu/packages/ssh.scm index eaf57acb3d..b8f107b111 100644 --- a/gnu/packages/ssh.scm +++ b/gnu/packages/ssh.scm @@ -126,7 +126,8 @@ a server that supports the SSH-2 protocol.") (string-append "http://ftp2.fr.openbsd.org/pub/OpenBSD/OpenSSH/portable/" tail)))) (sha256 (base32 - "132lh9aanb0wkisji1d6cmsxi520m8nh7c7i9wi6m1s3l38q29x7")))) + "132lh9aanb0wkisji1d6cmsxi520m8nh7c7i9wi6m1s3l38q29x7")) + (patches (search-patches "openssh-CVE-2015-8325.patch")))) (build-system gnu-build-system) (inputs `(("groff" ,groff) ("openssl" ,openssl) |