Out-of-bounds read in Binutils - CVE-2017-15020

 

Out-of-bounds read in Binutils - CVE-2017-15020

Published: October 5, 2017 / Updated: February 10, 2022


Vulnerability identifier: #VU38136
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-15020
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Binutils

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which. A remote attacker can perform a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.


How to mitigate CVE-2017-15020

Install update from vendor's website.

Sources