SB2017082003 - Buffer overflow in ASN1C



SB2017082003 - Buffer overflow in ASN1C

Published: August 20, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017082003
CSH 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 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2017-12966)

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

The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.


Remediation

Install update from vendor's website.