Slackware Linux update for openssh

1) Denial of service

EUVDB-ID: #VU9333

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15906

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The weakness exists in the process_open() function due to improper prevention of write operations in read-only mode. A remote attacker can create zero-length files and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation

Update the affected package openssh.

Vulnerable software versions

Slackware Linux: 13.0 - 14.2

CPE2.3

• cpe:2.3:o:slackware:slackware_linux:14.2:*:*:*:*:*:*:
• cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:
• cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:

External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.554315

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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