SB2018020404 - Fedora 27 update for p7zip

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Main Vulnerability Database SB2018020404

SB2018020404 - Fedora 27 update for p7zip

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

Security Bulletin ID SB2018020404
CSH 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 vulnerability.


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

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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.

References