SB2019082066 - Out-of-bounds read in libarchive (Alpine package)



SB2019082066 - Out-of-bounds read in libarchive (Alpine package)

Published: August 20, 2019

Security Bulletin ID SB2019082066
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-14501)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to out-of-bounds read condition in the parse_file_info function, as defined in the archive_read_support_format_iso9660.c source code file when extracting ISO 9660 files. A remote attacker can trick the victim into extracting an ISO 9660 file that submits malicious input and cause the service to crash.


Remediation

Install update from vendor's website.