SB2018020504 - Denial of service in GNU Binutils
Published: February 5, 2018
Security Bulletin ID
SB2018020504
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2018-6543)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the load_specific_debug_section function in GNU Binutilsdue to insufficient validation of user-supplied input. A remote attacker can submit a specially crafted Executable and Linkable Format (ELF) file, trigger integer overflow and cause the service to crash.
Remediation
Install update from vendor's website.