CVE-2021-22569: Denial of Service
(updated )
An issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.
References
- www.openwall.com/lists/oss-security/2022/01/12/4
- www.openwall.com/lists/oss-security/2022/01/12/7
- bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330
- cloud.google.com/support/bulletins
- github.com/advisories/GHSA-wrvw-hg22-4m67
- github.com/protocolbuffers/protobuf/security/advisories/GHSA-wrvw-hg22-4m67
- nvd.nist.gov/vuln/detail/CVE-2021-22569
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