xmlsecurity/inc/xmlsec-wrapper.h | 4 ++++ xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx | 4 ++++ xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx | 4 ++++ 3 files changed, 12 insertions(+)
New commits: commit 334f83fd78e0fbd9da61aec57118e0bc69d9eb78 Author: Caolán McNamara <caol...@redhat.com> AuthorDate: Mon Dec 20 17:05:44 2021 +0000 Commit: Andras Timar <andras.ti...@collabora.com> CommitDate: Fri Jan 7 15:32:29 2022 +0100 only use X509Data Change-Id: I52e6588f5fac04bb26d77c1f3af470db73e41f72 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127193 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmik...@collabora.com> (cherry picked from commit be446d81e07b5499152efeca6ca23034e51ea5ff) diff --git a/xmlsecurity/inc/xmlsec-wrapper.h b/xmlsecurity/inc/xmlsec-wrapper.h index c060c8bf23b8..2d06dcfdd549 100644 --- a/xmlsecurity/inc/xmlsec-wrapper.h +++ b/xmlsecurity/inc/xmlsec-wrapper.h @@ -43,6 +43,10 @@ #include <xmlsec/nss/app.h> #include <xmlsec/nss/crypto.h> #include <xmlsec/nss/pkikeys.h> +#include <xmlsec/nss/x509.h> +#endif +#ifdef XMLSEC_CRYPTO_MSCRYPTO +#include <xmlsec/mscng/x509.h> #endif #endif diff --git a/xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx b/xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx index 6b16efd46752..a3a04b5c1241 100644 --- a/xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx +++ b/xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx @@ -229,6 +229,10 @@ SAL_CALL XMLSignature_MSCryptImpl::validate( // We do certificate verification ourselves. pDsigCtx->keyInfoReadCtx.flags |= XMLSEC_KEYINFO_FLAGS_X509DATA_DONT_VERIFY_CERTS; + // limit possible key data to valid X509 certificates only, no KeyValues + if (xmlSecPtrListAdd(&(pDsigCtx->keyInfoReadCtx.enabledKeyData), BAD_CAST xmlSecMSCngKeyDataX509GetKlass()) < 0) + throw RuntimeException("failed to limit allowed key data"); + //Verify signature //The documentation says that the signature is only valid if the return value is 0 (that is, not < 0) //AND pDsigCtx->status == xmlSecDSigStatusSucceeded. That is, we must not make any assumptions, if diff --git a/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx b/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx index 61881239dc5d..81a341cb08c1 100644 --- a/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx +++ b/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx @@ -247,6 +247,10 @@ SAL_CALL XMLSignature_NssImpl::validate( // We do certificate verification ourselves. pDsigCtx->keyInfoReadCtx.flags |= XMLSEC_KEYINFO_FLAGS_X509DATA_DONT_VERIFY_CERTS; + // limit possible key data to valid X509 certificates only, no KeyValues + if (xmlSecPtrListAdd(&(pDsigCtx->keyInfoReadCtx.enabledKeyData), BAD_CAST xmlSecNssKeyDataX509GetKlass()) < 0) + throw RuntimeException("failed to limit allowed key data"); + //Verify signature int rs = xmlSecDSigCtxVerify( pDsigCtx.get() , pNode );