From d73f74e2cb70297d1373d7fa8921881106dc0b58 Mon Sep 17 00:00:00 2001 From: Tatsuya Kinoshita Date: Fri, 6 Jan 2017 23:18:40 +0900 Subject: Fix multiple vulnerabilities (closes: #850432) - New patch 934_menu.patch to fix buffer overflow (tats/w3m#49) - New patch 935_shiftanchor.patch to fix buffer overflow (tats/w3m#62) - New patch 936_metarefresh.patch to fix buffer overflow (tats/w3m#63) - New patch 937_lineproc0.patch to fix buffer overflow (tats/w3m#67) - New patch 938_lineproc2body.patch to fix buffer overflow (tats/w3m#61) - New patch 939_textarea.patch to fix buffer overflow (tats/w3m#58) - New patch 940_tabattr.patch to fix buffer overflow (tats/w3m#60) - New patch 941_integeredwidth.patch to fix buffer overflow (tats/w3m#70) - New patch 942_tridvalue.patch to fix buffer overflow (tats/w3m#71) - New patch 943_pushlink.patch to fix buffer overflow (tats/w3m#64, #66) - New patch 944_lineproc0.patch to fix use after free (tats/w3m#65) - New patch 945_wtfstrwidth.patch to fix buffer overflow (tats/w3m#57) - New patch 946_strnewsize.patch to fix buffer overflow (tats/w3m#72) - New patch 947_realcolumn.patch to fix buffer overflow (tats/w3m#69) - New patch 948_getmclen.patch to fix buffer overflow (tats/w3m#59, #73, #74, #75, #76, #78, #79, #80, #83, #84) - New patch 949_wtftowcs.patch to fix buffer overflow (tats/w3m#77) - New patch 950_textarea.patch to fix infinite loop (tats/w3m#85) - New patch 951_lineproc0.patch to fix use after free (tats/w3m#81) - New patch 952_formupdatebuffer.patch to fix buffer overflow (tats/w3m#82) - New patch 953_formupdateline.patch to fix buffer overflow (tats/w3m#68#issuecomment-266214643) - New patch 954_wtfparse1.patch to fix buffer overflow (tats/w3m#68) --- debian/patches/947_realcolumn.patch | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 debian/patches/947_realcolumn.patch (limited to 'debian/patches/947_realcolumn.patch') diff --git a/debian/patches/947_realcolumn.patch b/debian/patches/947_realcolumn.patch new file mode 100644 index 0000000..152088e --- /dev/null +++ b/debian/patches/947_realcolumn.patch @@ -0,0 +1,25 @@ +Subject: Prevent negative array index for realColumn in calcPosition() +From: Tatsuya Kinoshita +Bug-Debian: https://github.com/tats/w3m/issues/69 +Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=1978455e2ed01699789e8374d29515b74b867b2b + +--- + etc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/etc.c b/etc.c +index 8fe1215..af8a5d3 100644 +--- a/etc.c ++++ b/etc.c +@@ -498,7 +498,7 @@ calcPosition(char *l, Lineprop *pr, int len, int pos, int bpos, int mode) + static char *prevl = NULL; + int i, j; + +- if (l == NULL || len == 0) ++ if (l == NULL || len == 0 || pos < 0) + return bpos; + if (l == prevl && mode == CP_AUTO) { + if (pos <= len) +-- +2.10.2 + -- cgit v1.2.3