SB2018102321 - Multiple denial of service vulnerabilities in GNU Binutils 



SB2018102321 - Multiple denial of service vulnerabilities in GNU Binutils

Published: October 23, 2018 Updated: May 23, 2025

Security Bulletin ID SB2018102321
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2018-18605)

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

The vulnerability exists due to a boundary error within the sec_merge_hash_lookup() function in merge.c. A remote attacker can pass a specially crafted ELF file to the application and crash it.


2) NULL pointer dereference (CVE-ID: CVE-2018-18607)

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to NULL pointer dereference within the elf_link_input_bfd() function in elflink.c. A remote attacker can trick the victim into processing a specially crafted file and crash the application.


3) NULL pointer dereference (CVE-ID: CVE-2018-18606)

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to NULL pointer dereference within the merge_strings() function in merge.c. A remote attacker can trick the victim into processing a specially crafted file and crash the application.


Remediation

Install update from vendor's website.