SB2019032104 - Denial of service in Info-ZIP UnZip



SB2019032104 - Denial of service in Info-ZIP UnZip

Published: March 21, 2019

Security Bulletin ID SB2019032104
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2016-9844)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the zi_short() function in zipinfo.c when processing a large compression method value in the central directory file header. A remote attacker can pass a specially crafted array to the application and trigger denial of service (DoS) condition.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.