CVE-2018-18606

An issue was discovered in the merge_strings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in _bfd_add_merge_section when attempting to merge sections with large alignments. A specially crafted ELF 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

2.32% chance of exploitation in the next 30 days, 82th percentile

Published

2018-10-23

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://sourceware.org/bugzilla/show_bug.cgi?id=23806

References

• CVE Record
• NVD entry

Related

• CVE-2018-18605
• CVE-2018-18607
• CVE-2018-18603
• CVE-2018-18608
• CVE-2018-18599
• CVE-2018-18619