CVE-2019-17555: Improper Input Validation

February 4, 2020 (updated August 19, 2021)

The AsyncResponseWrapperImpl class in Apache Olingo versions 4.0.0 to 4.6.0 reads the Retry-After header and passes it to the Thread.sleep() method without any check. If a malicious server returns a huge value in the header, then it can help to implement a DoS attack.

References

github.com/advisories/GHSA-477x-w7m6-c6ph
github.com/apache/olingo-odata4/pull/61
nvd.nist.gov/vuln/detail/CVE-2019-17555

Code Behaviors & Features

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