#VU15527 Divide by zero in elfutils - CVE-2018-18521
Published: October 25, 2018
Vulnerability identifier: #VU15527
Vulnerability risk: Low
CVSSv4.0: 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:P/U:Clear
CVE-ID: CVE-2018-18521
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
elfutils
elfutils
Software vendor:
Sourceware
Sourceware
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to due to improper handling of Executable and Linkable Format (ELF) files by the arlib_add_symbols function, as defined in the arlib.c source code file. A remote attacker can trick the victim into opening a specially crafted ELF file that submits malicious input, trigger a divide-by-zero condition and cause application to crash.
Remediation
Install updates from vendor's website.