Out-of-Bounds Affecting unzip package, versions <6.0-21
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN9-UNZIP-358237
- published18 Jan 2017
- disclosed18 Jan 2017
Introduced: 18 Jan 2017
CVE-2016-9844 (opens in a new tab)How to fix?
Upgrade Debian:9 unzip to version 6.0-21 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream unzip package and not the unzip package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.
References
- https://security-tracker.debian.org/tracker/CVE-2016-9844
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1643750
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9844
- http://www.openwall.com/lists/oss-security/2016/12/05/13
- http://www.openwall.com/lists/oss-security/2016/12/05/19
- http://www.openwall.com/lists/oss-security/2016/12/05/20
- http://www.securityfocus.com/bid/94728
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9844