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1 vulnerability found for Apache SystemDS by Apache Software Foundation

CVE-2022-26477 (GCVE-0-2022-26477)
Vulnerability from cvelistv5
Published
2022-06-27 17:15
Modified
2024-08-03 05:03
Severity ?
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
The Security Team noticed that the termination condition of the for loop in the readExternal method is a controllable variable, which, if tampered with, may lead to CPU exhaustion. As a fix, we added an upper bound and termination condition in the read and write logic. We classify it as a "low-priority but useful improvement". SystemDS is a distributed system and needs to serialize/deserialize data but in many code paths (e.g., on Spark broadcast/shuffle or writing to sequence files) the byte stream is anyway protected by additional CRC fingerprints. In this particular case though, the number of decoders is upper-bounded by twice the number of columns, which means an attacker would need to modify two entries in the byte stream in a consistent manner. By adding these checks robustness was strictly improved with almost zero overhead. These code changes are available in versions higher than 2.2.1.
Impacted products
Vendor Product Version
Apache Software Foundation Apache SystemDS Version: unspecified   < 2.2.2
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Show details on NVD website


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