readline: Security Advisory - readline - CVE-2014-2524

The _rl_tropen function in util.c in GNU readline before 6.3 patch 3
allows local users to create or overwrite arbitrary files via a symlink
attack on a /var/tmp/rltrace.[PID] file.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2524

(From OE-Core rev: a4fa519de008ccd5b9411fcb1880e0a64383ce9c)

Signed-off-by: Yue Tao <Yue.Tao@windriver.com>
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 45 insertions, 0 deletions

diff --git a/meta/recipes-core/readline/readline-6.3/readline63-003 b/meta/recipes-core/readline/readline-6.3/readline63-003
new file mode 100644
index 0000000000..98a9d810b6
--- /dev/null
+++ b/meta/recipes-core/readline/readline-6.3/readline63-003
@@ -0,0 +1,43 @@
+readline: Security Advisory - readline - CVE-2014-2524
+
+Upstream-Status: Backport
+
+Signed-off-by: Yue Tao <yue.tao@windriver.com>
+
+                           READLINE PATCH REPORT
+                           =====================
+
+Readline-Release: 6.3
+Patch-ID: readline63-003
+
+Bug-Reported-by:
+Bug-Reference-ID:
+Bug-Reference-URL:
+
+Bug-Description:
+
+There are debugging functions in the readline release that are theoretically
+exploitable as security problems.  They are not public functions, but have
+global linkage.
+
+Patch (apply with `patch -p0'):
+
+*** ../readline-6.3/util.c      2013-09-02 13:36:12.000000000 -0400
+--- util.c      2014-03-20 10:25:53.000000000 -0400
+***************
+*** 477,480 ****
+--- 479,483 ----
+  }
+  
++ #if defined (DEBUG)
+  #if defined (USE_VARARGS)
+  static FILE *_rl_tracefp;
+***************
+*** 539,542 ****
+--- 542,546 ----
+  }
+  #endif
++ #endif /* DEBUG */
+  
+  
+
diff --git a/meta/recipes-core/readline/readline_6.3.bb b/meta/recipes-core/readline/readline_6.3.bb
index aa30f668b4..2ae73ea945 100644
--- a/meta/recipes-core/readline/readline_6.3.bb
+++ b/meta/recipes-core/readline/readline_6.3.bb
@@ -1,5 +1,7 @@
 require readline.inc
 
+SRC_URI_append = " file://readline63-003"
+
 SRC_URI[archive.md5sum] = "33c8fb279e981274f485fd91da77e94a"
 SRC_URI[archive.sha256sum] = "56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43"