GNU bug report logs - #28143
[PATCH] gnu: newsbeuter: Fix CVE-2017-12904.

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From: Leo Famulari <leo <at> famulari.name>
To: 28143 <at> debbugs.gnu.org
Subject: [bug#28143] [PATCH] gnu: newsbeuter: Fix CVE-2017-12904.
Date: Fri, 18 Aug 2017 16:47:09 -0400

* gnu/packages/patches/newsbeuter-CVE-2017-12904.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/syndication.scm (newsbeuter)[source]: Use it.
---
 gnu/local.mk                                       |  1 +
 .../patches/newsbeuter-CVE-2017-12904.patch        | 34 ++++++++++++++++++++++
 gnu/packages/syndication.scm                       |  2 ++
 3 files changed, 37 insertions(+)
 create mode 100644 gnu/packages/patches/newsbeuter-CVE-2017-12904.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index c37d4b220..8e4e29bdd 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -879,6 +879,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/netsurf-system-utf8proc.patch		\
   %D%/packages/patches/netsurf-y2038-tests.patch		\
   %D%/packages/patches/netsurf-longer-test-timeout.patch	\
+  %D%/packages/patches/newsbeuter-CVE-2017-12904.patch		\
   %D%/packages/patches/ngircd-handle-zombies.patch		\
   %D%/packages/patches/ninja-zero-mtime.patch			\
   %D%/packages/patches/node-9077.patch				\
diff --git a/gnu/packages/patches/newsbeuter-CVE-2017-12904.patch b/gnu/packages/patches/newsbeuter-CVE-2017-12904.patch
new file mode 100644
index 000000000..8e9050246
--- /dev/null
+++ b/gnu/packages/patches/newsbeuter-CVE-2017-12904.patch
@@ -0,0 +1,34 @@
+Fix CVE-2017-12904:
+
+https://github.com/akrennmair/newsbeuter/issues/591
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-12904
+
+Patch copied from the Debian package of newsbeuter, version 2.9-5+deb9u1.
+
+Adapted from upstream source repository:
+
+https://github.com/akrennmair/newsbeuter/commit/96e9506ae9e252c548665152d1b8968297128307
+
+Description: Fix a RCE vulnerability in the bookmark command
+ Newsbeuter didn't properly escape the title and description fields before
+ passing them to the bookmarking program which could lead to remote code
+ execution using the shells command substitution functionality (e.g. "$()", ``,
+ etc)
+
+Origin: upstream, https://github.com/akrennmair/newsbeuter/commit/96e9506ae9e252c548665152d1b8968297128307
+Last-Update: 2017-08-18
+
+--- newsbeuter-2.9.orig/src/controller.cpp
++++ newsbeuter-2.9/src/controller.cpp
+@@ -1274,9 +1274,10 @@ std::string controller::bookmark(const s
+ 	std::string bookmark_cmd = cfg.get_configvalue("bookmark-cmd");
+ 	bool is_interactive = cfg.get_configvalue_as_bool("bookmark-interactive");
+ 	if (bookmark_cmd.length() > 0) {
+-		std::string cmdline = utils::strprintf("%s '%s' %s %s",
++		std::string cmdline = utils::strprintf("%s '%s' '%s' '%s'",
+ 		                                       bookmark_cmd.c_str(), utils::replace_all(url,"'", "%27").c_str(),
+-		                                       stfl::quote(title).c_str(), stfl::quote(description).c_str());
++		                                       utils::replace_all(title,"'", "%27").c_str(),
++		                                       utils::replace_all(description,"'", "%27").c_str());
+ 
+ 		LOG(LOG_DEBUG, "controller::bookmark: cmd = %s", cmdline.c_str());
diff --git a/gnu/packages/syndication.scm b/gnu/packages/syndication.scm
index f43400665..80c45c396 100644
--- a/gnu/packages/syndication.scm
+++ b/gnu/packages/syndication.scm
@@ -18,6 +18,7 @@
   #:use-module (guix download)
   #:use-module (guix packages)
   #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages databases)
   #:use-module (gnu packages gettext)
@@ -37,6 +38,7 @@
         (method url-fetch)
         (uri (string-append "https://newsbeuter.org/downloads/newsbeuter-"
                             version ".tar.gz"))
+        (patches (search-patches "newsbeuter-CVE-2017-12904.patch"))
         (sha256
          (base32
           "1j1x0hgwxz11dckk81ncalgylj5y5fgw5bcmp9qb5hq9kc0vza3l"))))
-- 
2.14.1

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