CVE-2018-18607

binutils: NULL pointer dereference in elf_link_input_bfd in elflink.c

Published Oct 23, 2018 CVSS 3.0 · 5.5 Medium EPSS 2.3% KEV · Not listed
Description
An issue was discovered in elf_link_input_bfd in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in elf_link_input_bfd when used for finding STT_TLS symbols without any TLS section. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-10327 An issue was discovered in elf_link_input_bfd in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in elf_link_input_bfd when used for finding STT_TLS symbols without any TLS section. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.
Ubuntu USN Ubuntu USN USN-4336-1 GNU binutils vulnerabilities
Ubuntu USN Ubuntu USN USN-4336-2 GNU binutils vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 11:16 AM
Reserved
Oct 23, 2018, 12:00 AM
Status
Modified
Published
Oct 23, 2018, 5:29 PM
Modified
Jun 17, 2026, 1:47 AM
Severity
Low
Public date
Oct 21, 2018, 12:00 AM