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authorTobias Geerinckx-Rice <me@tobias.gr>2018-03-12 18:08:04 +0100
committerTobias Geerinckx-Rice <me@tobias.gr>2018-03-12 18:15:21 +0100
commit5400fdfd5d3c2201ee3ea8ec0d55690c221a91d8 (patch)
treed4ed59aafff35494345289da5b627d56da157064 /gnu/packages
parenta440a6af09d530a841b814051f4efb423c65ae21 (diff)
downloadguix-5400fdfd5d3c2201ee3ea8ec0d55690c221a91d8.tar.gz
guix-5400fdfd5d3c2201ee3ea8ec0d55690c221a91d8.zip
gnu: lrzip: Fix CVE-2017-8842.
* gnu/packages/compression.scm (lrzip)[source]: Add patch. * gnu/packages/patches/lrzip-CVE-2017-8842.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages')
-rw-r--r--gnu/packages/compression.scm3
-rw-r--r--gnu/packages/patches/lrzip-CVE-2017-8842.patch23
2 files changed, 25 insertions, 1 deletions
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index d44ae2d259..86efe2a40e 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -1017,7 +1017,8 @@ human-readable output.")
"http://ck.kolivas.org/apps/lrzip/lrzip-" version ".tar.bz2"))
(sha256
(base32
- "0mb449vmmwpkalq732jdyginvql57nxyd31sszb108yps1lf448d"))))
+ "0mb449vmmwpkalq732jdyginvql57nxyd31sszb108yps1lf448d"))
+ (patches (search-patches "lrzip-CVE-2017-8842.patch"))))
(build-system gnu-build-system)
(native-inputs
`(;; nasm is only required when building for 32-bit x86 platforms
diff --git a/gnu/packages/patches/lrzip-CVE-2017-8842.patch b/gnu/packages/patches/lrzip-CVE-2017-8842.patch
new file mode 100644
index 0000000000..89b4f2f5d9
--- /dev/null
+++ b/gnu/packages/patches/lrzip-CVE-2017-8842.patch
@@ -0,0 +1,23 @@
+From 38386bd482c0a8102a79958cb3eddcb97a167ca3 Mon Sep 17 00:00:00 2001
+From: Con Kolivas <kernel@kolivas.org>
+Date: Fri, 9 Mar 2018 17:39:40 +1100
+Subject: [PATCH] CVE-2017-8842 Fix divide-by-zero in bufRead::get
+
+---
+ libzpaq/libzpaq.h | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libzpaq/libzpaq.h b/libzpaq/libzpaq.h
+index 93387da..cbe211d 100644
+--- a/libzpaq/libzpaq.h
++++ b/libzpaq/libzpaq.h
+@@ -465,7 +465,8 @@ struct bufRead: public libzpaq::Reader {
+
+ int get() {
+ if (progress && !(*s_len % 128)) {
+- int pct = (total_len - *s_len) * 100 / total_len;
++ int pct = (total_len > 0) ?
++ (total_len - *s_len) * 100 / total_len : 100;
+
+ if (pct / 10 != *last_pct / 10) {
+ int i;