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 NVD

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

CVSS v2.0 NVD

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, 83rd percentile

Published

2018-10-23

Updated

2024-08-05

Proof-of-concept exploits (1)

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

Security advisories

• http://www.securityfocus.com/bid/105754
• https://security.netapp.com/advisory/ntap-20190307-0003
• https://usn.ubuntu.com/4336-1

References

• CVE Record
• NVD entry