CVE-2018-20651

A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.

CVSS v3.0

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

2.25% chance of exploitation in the next 30 days, 82th percentile

Published

2019-01-01

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://sourceware.org/bugzilla/show_bug.cgi?id=24041

References

• CVE Record
• NVD entry

Related

• CVE-2018-20648
• CVE-2018-20652
• CVE-2018-20646
• CVE-2018-20657
• CVE-2018-20645
• CVE-2018-20658