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Posted to issues@cxf.apache.org by "Sergey Beryozkin (JIRA)" <ji...@apache.org> on 2015/09/07 11:22:45 UTC
[jira] [Resolved] (CXF-6579) Inflated tokens can be corrupted if
compression ratio is greater than 2:1
[ https://issues.apache.org/jira/browse/CXF-6579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sergey Beryozkin resolved CXF-6579.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.0.7
2.7.18
3.1.3
> Inflated tokens can be corrupted if compression ratio is greater than 2:1
> -------------------------------------------------------------------------
>
> Key: CXF-6579
> URL: https://issues.apache.org/jira/browse/CXF-6579
> Project: CXF
> Issue Type: Bug
> Components: Core, JAX-RS Security
> Affects Versions: 3.0.6, 2.7.17, 3.1.2
> Reporter: Phillip Klinefelter
> Assignee: Sergey Beryozkin
> Priority: Critical
> Fix For: 3.1.3, 2.7.18, 3.0.7
>
>
> DeflateEncoderDecoder/CompressionUtils inflate method assumes that the compression ratio will be 2:1. That assumption is not true for SAML tokens with many similar attribute statements. The inflated token will be corrupted with a portion of the token replaced with null characters.
> https://github.com/apache/cxf/blob/cxf-2.7.17/rt/rs/security/xml/src/main/java/org/apache/cxf/rs/security/saml/DeflateEncoderDecoder.java#L34
> https://github.com/apache/cxf/blob/cxf-3.0.6/core/src/main/java/org/apache/cxf/common/util/CompressionUtils.java#L41
> https://github.com/apache/cxf/blob/cxf-3.1.2/core/src/main/java/org/apache/cxf/common/util/CompressionUtils.java#L41
> {code}
> @Test
> public void testInflateDeflateWithTokenDuplication() throws Exception {
> String token = "valid_grant valid_grant valid_grant valid_grant valid_grant valid_grant";
> DeflateEncoderDecoder deflateEncoderDecoder = new DeflateEncoderDecoder();
> byte[] deflatedToken = deflateEncoderDecoder.deflateToken(token.getBytes());
> String cxfInflatedToken = IOUtils
> .toString(deflateEncoderDecoder.inflateToken(deflatedToken));
> String streamInflatedToken = IOUtils.toString(
> new InflaterInputStream(new ByteArrayInputStream(deflatedToken),
> new Inflater(true)));
> assertThat(streamInflatedToken, is(token));
> assertThat(cxfInflatedToken, is(token));
> }
> {code}
> The stream inflated token is correct but the CXF inflated token is invalid.
> {code}
> java.lang.AssertionError:
> Expected: is "valid_grant valid_grant valid_grant valid_grant valid_grant valid_grant"
> got: "t valid_grant valid_grant valid_grant"
> {code}
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