SB2018102321 - Multiple denial of service vulnerabilities in GNU Binutils

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Main Vulnerability Database SB2018102321

SB2018102321 - Multiple denial of service vulnerabilities in GNU Binutils

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

Security Bulletin ID SB2018102321
CSH 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 vulnerabilities.


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

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: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 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)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/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 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)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/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 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.

References