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29 lines
904 B
29 lines
904 B
3 weeks ago
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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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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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---
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tinyxmlparser.cpp | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/tinyxmlparser.cpp b/tinyxmlparser.cpp
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index 8aa0dfa..1601962 100644
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--- a/tinyxmlparser.cpp
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+++ b/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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