Kiwi up to 1.9.22 URL news3.py BROWSER injection

Summaryinfo

A vulnerability categorized as critical has been discovered in Kiwi up to 1.9.22. Affected is an unknown function of the file examples/framework/news/news3.py of the component URL Handler. Executing a manipulation of the argument BROWSER as part of Environment Variable can lead to injection. This vulnerability is tracked as CVE-2017-17532. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Kiwi up to 1.9.22. This vulnerability affects an unknown functionality of the file examples/framework/news/news3.py of the component URL Handler. The manipulation of the argument BROWSER as part of a Environment Variable leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

examples/framework/news/news3.py in Kiwi 1.9.22 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL.

The bug was discovered 12/14/2017. The weakness was disclosed 12/14/2017 (Website). The advisory is shared for download at security-tracker.debian.org. This vulnerability was named CVE-2017-17532 since 12/11/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

The vulnerability scanner Nessus provides a plugin with the ID 232230 (Linux Distros Unpatched Vulnerability : CVE-2017-17532), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (232230). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• Kiwi

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion