SB2017071418 - Out-of-bounds read in c-ares (Alpine package)

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Main Vulnerability Database SB2017071418

SB2017071418 - Out-of-bounds read in c-ares (Alpine package)

Published: July 14, 2017

Security Bulletin ID SB2017071418
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-1000381)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack and gain access to potentially sensitive data.

The vulnerability exists due to a boundary error in ares_parse_naptr_reply() function when processing NAPTR responses. A remote attacker can send a specially crafted DNS response to vulnerable application and perform denial of service attack or gain access to potentially sensitive data.


Remediation

Install update from vendor's website.

References