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List:       oss-security
Subject:    [oss-security] CVE-2021-36374: Apache Ant ZIP, and ZIP based, archive denial of service vulerability
From:       Stefan Bodewig <bodewig () apache ! org>
Date:       2021-07-13 17:15:51
Message-ID: ffc7668f-036a-0b0b-c512-2eb652d3e885 () apache ! org
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Description:

When reading a specially crafted ZIP archive, or a derived formats, an Apache Ant build can be \
made to allocate large amounts of memory that leads to an out of memory error, even for small \
inputs. This can be used to disrupt builds using Apache Ant.

Commonly used derived formats from ZIP archives are for instance JAR files and many office \
files.

Mitigation:

Apache Ant 1.9.x users should upgrade to 1.9.16 or later.
Apache Ant 1.10.x users should upgrade to 1.10.11 or later.

Credit:

This issue is similar to https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36090 present \
in Apache Commons Compress which has been detected by OSS Fuzz.

References:

https://ant.apache.org/security.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36090


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