Ubuntu update for sensible-utils

1) Improper input validation

EUVDB-ID: #VU9758

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-17512

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to conduct argument-injection attacks.

The vulnerability exists in sensible-browser due to insufficient sanitization of strings before launching the program specified by the BROWSER environment variable. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update the affected packages

Ubuntu 17.10:

sensible-utils 0.0.10ubuntu0.1

Ubuntu 16.04 LTS:

sensible-utils 0.0.9ubuntu0.16.04.1

Ubuntu 14.04 LTS:

sensible-utils 0.0.9ubuntu0.14.04.1

Vulnerable software versions

Ubuntu: 14.04 - 17.10

CPE2.3

• cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:17.10:*:*:*:*:*:*:*

External links

https://www.ubuntu.com/usn/usn-3584-1/

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.