NULL Pointer Dereference Vulnerability in GNU Binutils 2.31.1

CVE-2018-20651 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

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.

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