buildrootschalter/package/libyaml/libyaml-0003-string-overflow.patch
Gustavo Zacarias 83209f9f6c libyaml: add security patches for CVE-2013-6393
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-02-04 15:26:14 +01:00

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1.1 KiB
Diff

Description: CVE-2013-6393: yaml_parser_scan_tag_uri: fix int overflow leading to buffer overflow
This is a proposed patch from Florian Weimer <fweimer@redhat.com> for
the string overflow issue. It has been ack'd by upstream.
Origin: https://bugzilla.redhat.com/show_bug.cgi?id=1033990
Bug-RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1033990
Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737076
Last-Update: 2014-01-29
---
# HG changeset patch
# User Florian Weimer <fweimer@redhat.com>
# Date 1389273500 -3600
# Thu Jan 09 14:18:20 2014 +0100
# Node ID a54d7af707f25dc298a7be60fd152001d2b3035b
# Parent 3e6507fa0c26d20c09f8f468f2bd04aa2fd1b5b5
yaml_parser_scan_tag_uri: fix int overflow leading to buffer overflow
diff --git a/src/scanner.c b/src/scanner.c
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -2574,7 +2574,7 @@
/* Resize the string to include the head. */
- while (string.end - string.start <= (int)length) {
+ while ((size_t)(string.end - string.start) <= length) {
if (!yaml_string_extend(&string.start, &string.pointer, &string.end)) {
parser->error = YAML_MEMORY_ERROR;
goto error;