K52513065 : BinUtils vulnerabilities CVE-2018-6759 and CVE-2018-6872

Security Advisory Description

• CVE-2018-6759

The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.

• CVE-2018-6872

The elf_parse_notes function in elf.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (out-of-bounds read and segmentation violation) via a note with a large alignment.

Impact

This vulnerability allows remote attackers to cause a denial of service (DoS) on the affected system.