CHICKEN Scheme up to 4.12 pair Check length input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in CHICKEN Scheme up to 4.12 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component pair Check. Such manipulation of the argument length leads to input validation. This vulnerability is uniquely identified as CVE-2017-9334. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CHICKEN Scheme up to 4.12. Affected by this issue is an unknown code of the component pair Check. The manipulation of the argument length with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.

The bug was discovered 05/31/2017. The weakness was disclosed 06/01/2017 (Website). The advisory is available at lists.nongnu.org. This vulnerability is handled as CVE-2017-9334. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111655 (FreeBSD : chicken -- multiple vulnerabilities (5a771686-9e33-11e8-8b2d-9cf7a8059466)), which helps to determine the existence of the flaw in a target environment. It is running in the context l.

Upgrading to version 4.13 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111655). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111655
Nessus Name: FreeBSD : chicken -- multiple vulnerabilities (5a771686-9e33-11e8-8b2d-9cf7a8059466)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: CHICKEN Scheme 4.13

Timelineinfo

05/31/2017 🔍
05/31/2017 +17083 days 🔍
06/01/2017 +1 days 🔍
06/01/2017 +0 days 🔍
06/01/2017 +0 days 🔍
08/12/2018 +437 days 🔍
08/13/2018 +1 days 🔍
10/13/2019 +426 days 🔍

Sourcesinfo

Advisory: lists.nongnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9334 (🔍)
GCVE (CVE): GCVE-0-2017-9334
GCVE (VulDB): GCVE-100-101882

Entryinfo

Created: 06/01/2017 15:48
Updated: 10/13/2019 09:22
Changes: 06/01/2017 15:48 (67), 10/13/2019 09:22 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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