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gnu: unzip: Add patches from Fedora [security fixes].

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Non-exhaustively fixes CVE-2016-9844, CVE-2018-1000035, CVE-2018-18384, and
CVE-2019-13232.

* gnu/packages/patches/unzip-COVSCAN-fix-unterminated-string.patch,
gnu/packages/patches/unzip-CVE-2016-9844.patch,
gnu/packages/patches/unzip-CVE-2018-1000035.patch,
gnu/packages/patches/unzip-CVE-2018-18384.patch,
gnu/packages/patches/unzip-case-insensitive.patch,
gnu/packages/patches/unzip-alt-iconv-utf8-print.patch,
gnu/packages/patches/unzip-alt-iconv-utf8.patch,
gnu/packages/patches/unzip-close.patch,
gnu/packages/patches/unzip-exec-shield.patch,
gnu/packages/patches/unzip-fix-recmatch.patch,
gnu/packages/patches/unzip-manpage-fix.patch,
gnu/packages/patches/unzip-overflow.patch,
gnu/packages/patches/unzip-symlink.patch,
gnu/packages/patches/unzip-timestamp.patch,
gnu/packages/patches/unzip-valgrind.patch,
gnu/packages/patches/unzip-x-option.patch,
gnu/packages/patches/unzip-zipbomb-manpage.patch,
gnu/packages/patches/unzip-zipbomb-part1.patch,
gnu/packages/patches/unzip-zipbomb-part2.patch,
gnu/packages/patches/unzip-zipbomb-part3.patch: New patches.
* gnu/local.mk (dist_patch_DATA): Register them.
* gnu/packages/compression.scm (unzip/fixed): New variable. Apply patches.
(unzip)[replacement]: Graft.
This commit is contained in:
Léo Le Bouter 2021-03-10 08:29:53 +01:00
parent 92d0949a26
commit 31d289a475
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GPG key ID: 45A8B1E86BCD10A6
22 changed files with 2540 additions and 0 deletions
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gnu/packages/patches/unzip-zipbomb-part1.patch Normal file
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@ -0,0 +1,25 @@
From 41beb477c5744bc396fa1162ee0c14218ec12213 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Mon, 27 May 2019 08:20:32 -0700
Subject: [PATCH] Fix bug in undefer_input() that misplaced the input state.
---
fileio.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fileio.c b/fileio.c
index c042987..bc00d74 100644
--- a/fileio.c
+++ b/fileio.c
@@ -530,8 +530,10 @@ void undefer_input(__G)
* This condition was checked when G.incnt_leftover was set > 0 in
* defer_leftover_input(), and it is NOT allowed to touch G.csize
* before calling undefer_input() when (G.incnt_leftover > 0)
- * (single exception: see read_byte()'s "G.csize <= 0" handling) !!
+ * (single exception: see readbyte()'s "G.csize <= 0" handling) !!
*/
+ if (G.csize < 0L)
+ G.csize = 0L;
G.incnt = G.incnt_leftover + (int)G.csize;
G.inptr = G.inptr_leftover - (int)G.csize;
G.incnt_leftover = 0;