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CVE-2017-14729

Published: 25 September 2017

The *_get_synthetic_symtab functions in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, do not ensure a unique PLT entry for a symbol, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted ELF file, related to elf32-i386.c and elf64-x86-64.c.

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
binutils
Launchpad, Ubuntu, Debian
trusty Not vulnerable
(code not present)
upstream
Released (2.30)
xenial Not vulnerable
(code not present)
artful Ignored
(end of life)
bionic Not vulnerable
(2.30-2ubuntu1)
cosmic Not vulnerable
(2.30-2ubuntu1)
disco Not vulnerable
(2.30-2ubuntu1)
eoan Not vulnerable
(2.30-2ubuntu1)
zesty Ignored
(end of life)
Patches:
upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=56933f9e3e90eebf1018ed7417d6c1184b91db6b (v2.29)
upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=61e3bf5f83f7e505b6bc51ef65426e5b31e6e360 (trunk)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H