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184a1b94a5
This fixes the following vulnerability:
- CVE-2023-34194:
StringEqual in TiXmlDeclaration::Parse in tinyxmlparser.cpp in TinyXML
through 2.6.2 has a reachable assertion (and application exit) via a
crafted XML document with a '\0' located after whitespace.
Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
Signed-off-by: Julien Olivain <ju.o@free.fr>
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From: Guilhem Moulin <guilhem@debian.org>
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Date: Sat, 30 Dec 2023 14:15:54 +0100
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Subject: Avoid reachable assertion via crafted XML document with a '\0'
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located after whitespace
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Upstream: https://salsa.debian.org/debian/tinyxml/-/raw/2366e1f23d059d4c20c43c54176b6bd78d6a83fc/debian/patches/CVE-2023-34194.patch
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CVE: CVE-2023-34194
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Bug: https://www.forescout.com/resources/sierra21-vulnerabilities
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Bug-Debian: https://bugs.debian.org/1059315
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Bug-Debian: https://security-tracker.debian.org/tracker/CVE-2023-34194
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Bug-Debian: https://security-tracker.debian.org/tracker/CVE-2023-40462
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Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
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---
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tinyxmlparser.cpp | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/tinyxmlparser.cpp b/src/tinyxmlparser.cpp
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index 8aa0dfa..1601962 100644
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--- a/src/tinyxmlparser.cpp
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+++ b/src/tinyxmlparser.cpp
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@@ -1606,6 +1606,10 @@ const char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXm
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}
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p = SkipWhiteSpace( p, _encoding );
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+ if ( !p || !*p )
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+ {
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+ break;
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+ }
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if ( StringEqual( p, "version", true, _encoding ) )
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{
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TiXmlAttribute attrib;
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