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.
References
security@apache.orghttps://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3Mailing List, Vendor Advisory
security@apache.orghttps://security.netapp.com/advisory/ntap-20220812-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220812-0003/Third Party Advisory
Impacted products
Vendor Product Version
Apache Software Foundation Apache SystemDS Version: unspecified   < 2.2.2
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