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authorLeo Famulari <leo@famulari.name>2017-06-14 16:34:10 -0400
committerLeo Famulari <leo@famulari.name>2017-06-15 11:12:02 -0400
commit0c5a8007fe3cfc792bf5f692342a84165f706441 (patch)
tree6b62e65e6c063f37a2853fd0161ba5c4eb2ec446 /gnu/packages/patches/zziplib-CVE-2017-5974.patch
parentdb90eb8c2bd447ab53bed80e5b0ea5105a928cdf (diff)
downloadguix-patches-0c5a8007fe3cfc792bf5f692342a84165f706441.tar
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gnu: zziplib: Fix CVE-2017-{5974,5975,5976,5978,5979,5981}.
* gnu/packages/patches/zziplib-CVE-2017-5974.patch, gnu/packages/patches/zziplib-CVE-2017-5975.patch, gnu/packages/patches/zziplib-CVE-2017-5976.patch, gnu/packages/patches/zziplib-CVE-2017-5978.patch, gnu/packages/patches/zziplib-CVE-2017-5979.patch, gnu/packages/patches/zziplib-CVE-2017-5981.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/zip.scm (zziplib)[source]: Use them.
Diffstat (limited to 'gnu/packages/patches/zziplib-CVE-2017-5974.patch')
-rw-r--r--gnu/packages/patches/zziplib-CVE-2017-5974.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/gnu/packages/patches/zziplib-CVE-2017-5974.patch b/gnu/packages/patches/zziplib-CVE-2017-5974.patch
new file mode 100644
index 0000000000..9ae02103e7
--- /dev/null
+++ b/gnu/packages/patches/zziplib-CVE-2017-5974.patch
@@ -0,0 +1,28 @@
+Fix CVE-2017-5974:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5974
+
+Patch copied from Debian.
+
+Index: zziplib-0.13.62/zzip/memdisk.c
+===================================================================
+--- zziplib-0.13.62.orig/zzip/memdisk.c
++++ zziplib-0.13.62/zzip/memdisk.c
+@@ -216,12 +216,12 @@ zzip_mem_entry_new(ZZIP_DISK * disk, ZZI
+ /* override sizes/offsets with zip64 values for largefile support */
+ zzip_extra_zip64 *block = (zzip_extra_zip64 *)
+ zzip_mem_entry_extra_block(item, ZZIP_EXTRA_zip64);
+- if (block)
++ if (block && ZZIP_GET16(block->z_datasize) >= (8 + 8 + 8 + 4))
+ {
+- item->zz_usize = __zzip_get64(block->z_usize);
+- item->zz_csize = __zzip_get64(block->z_csize);
+- item->zz_offset = __zzip_get64(block->z_offset);
+- item->zz_diskstart = __zzip_get32(block->z_diskstart);
++ item->zz_usize = ZZIP_GET64(block->z_usize);
++ item->zz_csize = ZZIP_GET64(block->z_csize);
++ item->zz_offset = ZZIP_GET64(block->z_offset);
++ item->zz_diskstart = ZZIP_GET32(block->z_diskstart);
+ }
+ }
+ /* NOTE: