SB2018101605 - Denial of service in elfutils



SB2018101605 - Denial of service in elfutils

Published: October 16, 2018

Security Bulletin ID SB2018101605
CSH Severity
Low
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Segmentation fault (CVE-ID: CVE-2018-18310)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists in the dwfl_segment_report_module.c source code file in the libdwfl library due to improper handling of Executable and Linkable Format (ELF) files. A local attacker can send an ELF file that submits malicious input, execute the eu-stack command, trigger a segmentation fault and cause the affected application to crash.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.