SB2017090408 - Fedora 27 update for libzip

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Main Vulnerability Database SB2017090408

SB2017090408 - Fedora 27 update for libzip

Published: September 4, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017090408
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Double Free (CVE-ID: CVE-2017-12858)

CWE-ID: CWE-415 - Double Free

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


The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Double free vulnerability in the _zip_dirent_read function in zip_dirent.c in libzip allows attackers to have unspecified impact via unknown vectors.


2) Resource exhaustion (CVE-ID: CVE-2017-14107)

CWE-ID: CWE-400 - Resource exhaustion

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


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

The vulnerability exists due to a boundary error when processing EOCD records in _zip_read_eocd64() function in zip_open.c in libzip. A remote attacker can create a specially crafted ZIP archive, trick the victim into opening it and consume all available memory on the system.


Remediation

Install update from vendor's website.

References