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Vulnerability DatabaseCVE-2021-36090
CVE-2021-36090:
Java vulnerability analysis and mitigation
Overview
CVE-2021-36090 is a vulnerability discovered in Apache Commons Compress versions 1.0 to 1.20. When reading a specially crafted ZIP archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. The vulnerability was discovered by OSS Fuzz and disclosed in July 2021 (OSS Security).
Technical details
The vulnerability allows an attacker to cause a denial of service condition through memory exhaustion by providing specially crafted ZIP archives. The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NetApp Advisory).
Impact
This vulnerability could be used to mount a denial of service attack against services that use Compress' zip package. Even very small malicious inputs can trigger large memory allocations leading to out of memory errors (OSS Security).
Mitigation and workarounds
Users of Apache Commons Compress should upgrade to version 1.21 or later which contains fixes for this vulnerability (OSS Security).
Additional resources
Source: This report was generated using AI
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