CVE-2019-12972 Information

Description

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd) as distributed in GNU Binutils 2.32. There is a heap-based buffer over-read in _bfd_doprnt in bfd.c because elf_object_p in elfcode.h mishandles an e_shstrndx section of type SHT_GROUP by omitting a trailing ‘\0’ character.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00078.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00004.html http://www.securityfocus.com/bid/108903 https://security.gentoo.org/glsa/202007-39 https://sourceware.org/bugzilla/show_bug.cgi?id=24689 https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=890f750a3b053532a4b839a2dd6243076de12031 https://usn.ubuntu.com/4336-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5