Input validation error in VxWorks

1) Input validation error

EUVDB-ID: #VU42974

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-0711

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

IPSSH (aka the SSH server) in Wind River VxWorks 6.5 through 6.9 allows remote attackers to cause a denial of service (daemon outage) via a crafted authentication request.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VxWorks: 6.5 - 6.9

CPE2.3

• cpe:2.3:o:wind_river_systems:vxworks:6.5:*:*:*:*:*:*:*
• cpe:2.3:o:wind_river_systems:vxworks:6.6:*:*:*:*:*:*:*
• cpe:2.3:o:wind_river_systems:vxworks:6.7:*:*:*:*:*:*:*

External links

https://ics-cert.us-cert.gov/advisories/ICSA-13-091-01
https://jvn.jp/en/jp/JVN45545972/995359/index.html
https://jvn.jp/en/jp/JVN45545972/index.html
https://jvndb.jvn.jp/jvndb/JVNDB-2013-000018

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.