SB2018091203 - Denial of service when processing ELF binaries in FreeBSD
Published: September 12, 2018
Security Bulletin ID
SB2018091203
CSH Severity
Medium
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) Input validation error (CVE-ID: CVE-2018-6924)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in ELF header parser. A remote attacker can create a specially crafted binary, trick the use into executing it and disclose kernel memory or crash the kernel.
Remediation
Install update from vendor's website.