SB2018020404 - Fedora 27 update for p7zip



SB2018020404 - Fedora 27 update for p7zip

Published: February 4, 2018 Updated: April 24, 2025

Security Bulletin ID SB2018020404
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2017-17969)

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

The vulnerability exists due to heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method. A remote attacker can trick the victim into opening a specially crafted ZIP archive, trigger memory corruption and out-of-bounds write execute arbitrary code with privileges of the current user.

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


Remediation

Install update from vendor's website.