CVE-2016-9844: Buffer Overflow

Published Jan 18, 2017
·
Updated

Buffer overflow in the zishort 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.

Affected Software

15 affected componentsFixes available
Unzip Project Unzip=6.0
Microsoft cbl2 unzip 6.0-19
Microsoft unzip-debuginfo-6.0-19.cm2.aarch64.rpm
Microsoft azl3 unzip 6.0-22
Microsoft cm1 unzip 6.0-15
Microsoft azl3 unzip 6.0-20
Microsoft unzip-6.0-20.azl3.x86_64.rpm
Microsoft unzip-6.0-20.azl3.aarch64.rpm
Microsoft unzip-6.0-19.cm2.x86_64.rpm
Microsoft unzip-debuginfo-6.0-19.cm2.x86_64.rpm
Microsoft unzip-6.0-19.cm2.aarch64.rpm
Microsoft unzip-6.0-15.cm1.aarch64.rpm
Microsoft unzip-6.0-15.cm1.x86_64.rpm
Microsoft unzip-debuginfo-6.0-15.cm1.x86_64.rpm
Microsoft unzip-debuginfo-6.0-15.cm1.aarch64.rpm

Event History

Jan 18, 2017
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Data Sourced
via NVD·05:59 PM
DescriptionSeverityWeaknessAffected Software
Aug 18, 2020
Data Sourced
via Microsoft·12:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2016-9844?

CVE-2016-9844 has been classified with a moderate severity level due to its potential to cause a denial of service.

2

How do I fix CVE-2016-9844?

To fix CVE-2016-9844, users should upgrade to a patched version of UnZip that addresses the buffer overflow vulnerability.

3

What are the potential impacts of CVE-2016-9844?

The potential impacts of CVE-2016-9844 include application crashes and denial of service due to the exploitation of the buffer overflow.

4

Who is affected by CVE-2016-9844?

CVE-2016-9844 affects users of Info-Zip UnZip version 6.0, particularly those processing ZIP files with large compression method values.

5

How does CVE-2016-9844 exploit a buffer overflow?

CVE-2016-9844 exploits a buffer overflow in the zi_short function, allowing attackers to manipulate the central directory file header.

Contact

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