#VU11294 Resource exhaustion in OpenSSL


Published: 2018-03-28 | Updated: 2018-05-01

Vulnerability identifier: #VU11294

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0739

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenSSL
Server applications / Encryption software

Vendor: OpenSSL Software Foundation

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

The weakness exists due to excessive stack memory consumption. A remote attacker can cause the service to crash.

Mitigation
Update to versions 1.1.0h or 1.0.2o.

Vulnerable software versions

OpenSSL: 1.1.0 - 1.1.0g, 1.0.2 - 1.0.2n


External links
http://www.openssl.org/news/secadv/20180327.txt


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.


Latest bulletins with this vulnerability