Ubuntu update for sensible-utils

1) Improper input validation

EUVDB-ID: #VU9758

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

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

External links

http://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.