SB2016092141 - Heap-based buffer overflow in libarchive

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Main Vulnerability Database SB2016092141

SB2016092141 - Heap-based buffer overflow in libarchive

Published: September 21, 2016 Updated: July 28, 2020

Security Bulletin ID SB2016092141
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-2016-4300)

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

The vulnerability exists due to a boundary error in Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1. A remote attacker can use a 7zip file with a large number of substreams 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