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610b395424
Fixes CVE-2024-45490, CVE-2024-45491, CVE-2024-45492. * gnu/packages/xml.scm (expat)[replacement]: New field. (expat/fixed): New variable. * gnu/packages/patches/expat-CVE-2024-45490.patch, gnu/packages/patches/expat-CVE-2024-45491.patch, gnu/packages/patches/expat-CVE-2024-45492.patch: New files. * gnu/local.mk (dist_patch_DATA): Register them. Change-Id: I74d5d7bce98d6c983b989c1afec7cf28777d1617
34 lines
1 KiB
Diff
34 lines
1 KiB
Diff
https://github.com/libexpat/libexpat/commit/5c1a31642e243f4870c0bd1f2afc7597976521bf.patch
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Fixed in 2.6.3.
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Takes only 1 of the 3 patches from
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https://github.com/libexpat/libexpat/pull/890 to take the fix and not the
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tests because that part doesn't apply cleanly.
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From 5c1a31642e243f4870c0bd1f2afc7597976521bf Mon Sep 17 00:00:00 2001
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From: Sebastian Pipping <sebastian@pipping.org>
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Date: Mon, 19 Aug 2024 22:26:07 +0200
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Subject: [PATCH] lib: Reject negative len for XML_ParseBuffer
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Reported by TaiYou
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---
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expat/lib/xmlparse.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/lib/xmlparse.c b/lib/xmlparse.c
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index 91682c188..ba1038119 100644
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--- a/lib/xmlparse.c
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+++ b/lib/xmlparse.c
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@@ -2038,6 +2038,12 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal) {
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if (parser == NULL)
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return XML_STATUS_ERROR;
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+
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+ if (len < 0) {
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+ parser->m_errorCode = XML_ERROR_INVALID_ARGUMENT;
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+ return XML_STATUS_ERROR;
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+ }
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+
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switch (parser->m_parsingStatus.parsing) {
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case XML_SUSPENDED:
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parser->m_errorCode = XML_ERROR_SUSPENDED;
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