SB2018082025 - Heap-based buffer overflow in unzip (Alpine package) 

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Main Vulnerability Database SB2018082025

SB2018082025 - Heap-based buffer overflow in unzip (Alpine package)

Published: August 20, 2018

Security Bulletin ID SB2018082025
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2014-8139)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the CRC32 verification in Info-ZIP UnZip 6.0 and earlier. A remote attacker can use a crafted zip file in the -t command argument to the unzip command. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References