Denial of service in OpenBSD

1) Denial of service

EUVDB-ID: #VU13995

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The weakness exists due to an error when processing malicious input. A remote attacker can execute an invalid ELF binary, trigger a kernel panic and cause the service to crash.

Mitigation

Update to version 6.2.

Vulnerable software versions

OpenBSD: 6.0 - 6.1

External links

http://ftp.openbsd.org/pub/OpenBSD/patches/6.2/common/018_execsize.patch.sig

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.