CVE-2020-9479: unzip directory traversal
First published: Mon Mar 01 2021(Updated: )
When loading a UDF, a specially crafted zip file could allow files to be placed outside of the UDF deployment directory. This issue affected Apache AsterixDB unreleased builds between commits 580b81aa5e8888b8e1b0620521a1c9680e54df73 and 28c0ee84f1387ab5d0659e9e822f4e3923ddc22d. Note: this CVE may be REJECTed as the issue did not affect any released versions of Apache AsterixDB
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache AsterixDB | <0.9.5 |
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Reference Links
- https://lists.apache.org/thread.html/r4cc9cc9c54573babf821c31d5d410fb260d1cd416dc1b225d587be9b@%3Cdev.asterixdb.apache.org%3E
- https://www.openwall.com/lists/oss-security/2020/08/08/2
- https://lists.apache.org/thread.html/r4cc9cc9c54573babf821c31d5d410fb260d1cd416dc1b225d587be9b%40%3Cdev.asterixdb.apache.org%3E
Frequently Asked Questions
What is the severity of CVE-2020-9479?
CVE-2020-9479 has a medium severity rating as it allows unauthorized file placement outside of the UDF deployment directory.
How do I fix CVE-2020-9479?
To fix CVE-2020-9479, update Apache AsterixDB to a version greater than 0.9.5 that is not affected by this vulnerability.
What does CVE-2020-9479 affect?
CVE-2020-9479 affects Apache AsterixDB unreleased builds between specific commit ranges.
Is CVE-2020-9479 a remote exploit?
Yes, CVE-2020-9479 can be exploited remotely through specially crafted zip files.
When was CVE-2020-9479 disclosed?
CVE-2020-9479 was publicly disclosed in August 2020.
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