Resource management error in FreeBSD - #VU20020
Published: August 9, 2019
Vulnerability identifier: #VU20020
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect exception handling within the libunwind library when handling the unwinding of stack frames, when programs throw C or C++ style exceptions. A remote attacker can make the application to produce an exception that may lead to application crash and denial of service attack.
Remediation
Install updates from vendor's website: