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xerces: add upstream security fix

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CVE-2017-12627: dereference of a NULL pointer while processing the path
to the DTD.

xerces 3.2.1 includes this patch. But this version also added
AC_RUN_IFELSE to its configure script, making cross compilation harder.

Switching to cmake is also problematic since the minimum required cmake
version is 3.2.0. The host dependencies check currently allows minimum
cmake version 3.1.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 142c8cc8d5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Baruch Siach 2018-03-26 23:23:02 +03:00 committed by Peter Korsgaard
parent 1d780f2514
commit 0b601f4c8f
1 changed files with 22 additions and 0 deletions
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package/xerces/0001-fix-CVE-2017-12627.patch Normal file
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@ -0,0 +1,22 @@
XMLString: Don't call catString if relativePath is null
https://xerces.apache.org/xerces-c/secadv/CVE-2017-12627.txt
Upstream status: svn revision 1819998
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
--- trunk/src/xercesc/util/PlatformUtils.cpp 2018/01/03 18:58:30 1819997
+++ trunk/src/xercesc/util/PlatformUtils.cpp 2018/01/03 18:59:30 1819998
@@ -920,7 +920,10 @@
XMLString::subString(tmpBuf, basePath, 0, (basePtr - basePath + 1), manager);
tmpBuf[basePtr - basePath + 1] = 0;
- XMLString::catString(tmpBuf, relativePath);
+ if (relativePath)
+ {
+ XMLString::catString(tmpBuf, relativePath);
+ }
removeDotSlash(tmpBuf, manager);