unzip: fix CVE-2018-18384.

srcpkgs/unzip/patches/patch-list.c.diff

@@ -1,10 +1,32 @@
-$NetBSD: patch-list.c,v 1.1 2015/01/06 14:12:45 wiz Exp $
+$NetBSD: patch-list.c,v 1.3 2019/07/15 14:08:03 nia Exp $
 
+chunk 1:
+CVE-2018-18384 fix from
+https://sourceforge.net/p/infozip/bugs/53/
+and
+https://sources.debian.org/patches/unzip/6.0-24/07-increase-size-of-cfactorstr.patch/
+
+chunk 2:
 Big-hammer fix for
 http://seclists.org/oss-sec/2014/q4/497
 
+chunk 3:
+CVE-2014-9913 fix from
+https://people.debian.org/~sanvila/unzip/cve-2014-9913/cve-2014-9913-unzip-buffer-overflow.txt
+via
+http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=529
+
 --- list.c.orig	2009-02-08 17:11:34.000000000 +0000
 +++ list.c
+@@ -97,7 +97,7 @@ int list_files(__G)    /* return PK-type
+ {
+     int do_this_file=FALSE, cfactor, error, error_in_archive=PK_COOL;
+ #ifndef WINDLL
+-    char sgn, cfactorstr[10];
++    char sgn, cfactorstr[12];
+     int longhdr=(uO.vflag>1);
+ #endif
+     int date_format;
 @@ -116,7 +116,7 @@ int list_files(__G)    /* return PK-type
      ulg acl_size, tot_aclsize=0L, tot_aclfiles=0L;
  #endif
@@ -14,3 +36,19 @@ http://seclists.org/oss-sec/2014/q4/497
      static ZCONST char dtype[]="NXFS";  /* see zi_short() */
      static ZCONST char Far method[NUM_METHODS+1][8] =
          {"Stored", "Shrunk", "Reduce1", "Reduce2", "Reduce3", "Reduce4",
+@@ -339,7 +339,14 @@ int list_files(__G)    /* return PK-type
+                 G.crec.compression_method == ENHDEFLATED) {
+                 methbuf[5] = dtype[(G.crec.general_purpose_bit_flag>>1) & 3];
+             } else if (methnum >= NUM_METHODS) {
+-                sprintf(&methbuf[4], "%03u", G.crec.compression_method);
++                /* Fix for CVE-2014-9913, similar to CVE-2016-9844.
++                 * Use the old decimal format only for values which fit.
++                 */
++                if (G.crec.compression_method <= 999) {
++                    sprintf( &methbuf[ 4], "%03u", G.crec.compression_method);
++                } else {
++                    sprintf( &methbuf[ 3], "%04X", G.crec.compression_method);
++                }
+             }
+
+ #if 0       /* GRR/Euro:  add this? */

srcpkgs/unzip/template

@@ -1,7 +1,7 @@
 # Template file for 'unzip'
 pkgname=unzip
 version=6.0
-revision=12
+revision=13
 wrksrc=unzip60
 makedepends="bzip2-devel"
 short_desc="List, test and extract compressed files in a ZIP archive"