95a83c45f5
- Security fix: [bsc#1140101, CVE-2019-13118]
* Fix uninitialized read with UTF-8 grouping chars. Read of
uninitialized stack data due to too narrow xsl:number
instruction and an invalid character
* Added libxslt-CVE-2019-13118.patch
- Security fix: [bsc#1140095, CVE-2019-13117]
* Fix uninitialized read of xsl:number token. An xsl number with
certain format strings could lead to a uninitialized read in
xsltNumberFormatInsertNumbers
* Added libxslt-CVE-2019-13117.patch
- Security fix: [bsc#1140101, CVE-2019-13118]
* Fix uninitialized read with UTF-8 grouping chars. Read of
uninitialized stack data due to too narrow xsl:number
instruction and an invalid character
* Added libxslt-CVE-2019-13118.patch
- Security fix: [bsc#1140095, CVE-2019-13117]
* Fix uninitialized read of xsl:number token. An xsl number with
certain format strings could lead to a uninitialized read in
xsltNumberFormatInsertNumbers
* Added libxslt-CVE-2019-13117.patch
OBS-URL: https://build.opensuse.org/request/show/713209
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libxslt?expand=0&rev=73
30 lines
919 B
Diff
30 lines
919 B
Diff
From c5eb6cf3aba0af048596106ed839b4ae17ecbcb1 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Sat, 27 Apr 2019 11:19:48 +0200
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Subject: [PATCH] Fix uninitialized read of xsl:number token
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Found by OSS-Fuzz.
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---
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libxslt/numbers.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/libxslt/numbers.c b/libxslt/numbers.c
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index 89e1f668..75c31eba 100644
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--- a/libxslt/numbers.c
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+++ b/libxslt/numbers.c
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@@ -382,7 +382,10 @@ xsltNumberFormatTokenize(const xmlChar *format,
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tokens->tokens[tokens->nTokens].token = val - 1;
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ix += len;
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val = xmlStringCurrentChar(NULL, format+ix, &len);
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- }
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+ } else {
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+ tokens->tokens[tokens->nTokens].token = (xmlChar)'0';
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+ tokens->tokens[tokens->nTokens].width = 1;
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+ }
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} else if ( (val == (xmlChar)'A') ||
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(val == (xmlChar)'a') ||
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(val == (xmlChar)'I') ||
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--
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2.21.0
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