diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2021-12-20 17:05:44 +0000 |
|---|---|---|
| committer | Andras Timar <andras.timar@collabora.com> | 2021-12-21 16:15:01 +0100 |
| commit | 02d498164c95f0f984b6aae63718be34dd4a555f (patch) | |
| tree | 77c15851cf752a9c0228086b4a43ddc5125662c9 | |
| parent | ab84e8d88f3a6c6e869b3300119d715d6d6e0dc8 (diff) | |
only use X509Data
Change-Id: I52e6588f5fac04bb26d77c1f3af470db73e41f72
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127193
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
(cherry picked from commit be446d81e07b5499152efeca6ca23034e51ea5ff)
| -rw-r--r-- | xmlsecurity/inc/xmlsec-wrapper.h | 4 | ||||
| -rw-r--r-- | xmlsecurity/source/xmlsec/mscrypt/xmlsignature_mscryptimpl.cxx | 4 | ||||
| -rw-r--r-- | xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx | 4 |
3 files changed, 12 insertions, 0 deletions
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 db400e6f1ed9..6e4ca3d4e2c0 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 9d2a5251026a..6f70f76d23be 100644 --- a/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx +++ b/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx @@ -244,6 +244,10 @@ 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 ); |