Integer overflow in Binutils - CVE-2018-20673

 

Integer overflow in Binutils - CVE-2018-20673

Published: January 10, 2019


Vulnerability identifier: #VU16897
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-20673
CWE-ID: CWE-190
Exploitation vector: Remote 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 integer overflow (for "Create an array for saving the template argument values") in the demangle_template function in cplus-dem.c in GNU libiberty. A remote attacker can supply a specially crafted ELF file, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.


How to mitigate CVE-2018-20673

Install update from vendor's website.

Sources