gnu: links: Fix-CVE-2017-11114.
* gnu/packages/patches/links-CVE-2017-11114.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/web-browsers.scm (links)[source]: Use it.master
Leo Famulari
parent
66df43b9ae
commit
dacd8cf2e8
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@ -855,6 +855,7 @@ dist_patch_DATA = \
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%D%/packages/patches/lierolibre-newer-libconfig.patch \
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%D%/packages/patches/lierolibre-remove-arch-warning.patch \
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%D%/packages/patches/lierolibre-try-building-other-arch.patch \
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%D%/packages/patches/links-CVE-2017-11114.patch \
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%D%/packages/patches/linux-pam-no-setfsuid.patch \
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%D%/packages/patches/lirc-localstatedir.patch \
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%D%/packages/patches/llvm-3.5-fix-clang-build-with-gcc5.patch \
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@ -0,0 +1,99 @@
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Fix CVE-2017-11114:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11114
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http://seclists.org/fulldisclosure/2017/Jul/76
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Patch copied from Debian:
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870299#12
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Origin: upstream, commit: fee5dca79a93a37024e494b985386a5fe60bc1b7
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Origin: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870299#12
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Author: Mikulas Patocka <mikulas@twibright.com>
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Date: Wed Aug 2 20:13:29 2017 +0200
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Subject: Fix read out of memory in case of corrupted UTF-8 data
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---
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charsets.c | 37 +------------------------------------
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links.h | 9 ++++-----
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2 files changed, 5 insertions(+), 41 deletions(-)
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Index: links-2.14/charsets.c
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===================================================================
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--- links-2.14.orig/charsets.c
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+++ links-2.14/charsets.c
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@@ -215,41 +215,6 @@ static struct conv_table *get_translatio
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return utf_table;
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}
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-unsigned short int utf8_2_uni_table[0x200] = {
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 192, 0,
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- 0, 0, 256, 0, 0, 0, 320, 0, 0, 0, 384, 0, 0, 0, 448, 0,
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- 0, 0, 512, 0, 0, 0, 576, 0, 0, 0, 640, 0, 0, 0, 704, 0,
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- 0, 0, 768, 0, 0, 0, 832, 0, 0, 0, 896, 0, 0, 0, 960, 0,
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- 0, 0, 1024, 0, 0, 0, 1088, 0, 0, 0, 1152, 0, 0, 0, 1216, 0,
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- 0, 0, 1280, 0, 0, 0, 1344, 0, 0, 0, 1408, 0, 0, 0, 1472, 0,
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- 0, 0, 1536, 0, 0, 0, 1600, 0, 0, 0, 1664, 0, 0, 0, 1728, 0,
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- 0, 0, 1792, 0, 0, 0, 1856, 0, 0, 0, 1920, 0, 0, 0, 1984, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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-};
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-
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unsigned char utf_8_1[256] = {
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6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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@@ -269,7 +234,7 @@ unsigned char utf_8_1[256] = {
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3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 6, 6,
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};
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-static_const unsigned min_utf_8[9] = {
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+static_const unsigned min_utf_8[8] = {
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0, 0x4000000, 0x200000, 0x10000, 0x800, 0x80, 0x100, 0x1,
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};
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Index: links-2.14/links.h
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===================================================================
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--- links-2.14.orig/links.h
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+++ links-2.14/links.h
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@@ -3906,15 +3906,14 @@ unsigned char *cp_strchr(int charset, un
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void init_charset(void);
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unsigned get_utf_8(unsigned char **p);
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-extern unsigned short int utf8_2_uni_table[0x200];
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#define GET_UTF_8(s, c) \
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do { \
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if ((unsigned char)(s)[0] < 0x80) \
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(c) = (s)++[0]; \
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- else if (((c) = utf8_2_uni_table[((unsigned char)(s)[0] << 2) + \
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- ((unsigned char)(s)[1] >> 6) - 0x200])) \
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- (c) += (unsigned char)(s)[1] & 0x3f, (s) += 2; \
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- else \
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+ else if ((unsigned char)(s)[0] >= 0xc2 && (unsigned char)(s)[0] < 0xe0 &&\
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+ ((unsigned char)(s)[1] & 0xc0) == 0x80) { \
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+ (c) = (unsigned char)(s)[0] * 0x40 + (unsigned char)(s)[1], (c) -= 0x3080, (s) += 2;\
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+ } else \
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(c) = get_utf_8(&(s)); \
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} while (0)
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#define FWD_UTF_8(s) \
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@ -83,6 +83,7 @@ older or slower computers and embedded systems.")
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(method url-fetch)
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(uri (string-append "http://links.twibright.com/download/"
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name "-" version ".tar.bz2"))
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(patches (search-patches "links-CVE-2017-11114.patch"))
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(sha256
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(base32
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"1f24y83wa1vzzjq5kp857gjqdpnmf8pb29yw7fam0m8wxxw0c3gp"))))
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