CHICKEN up to 4.9.x input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in CHICKEN up to 4.9.x. Impacted is an unknown function. This manipulation causes input validation. The identification of this vulnerability is CVE-2015-4556. The attack can only be executed locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in CHICKEN up to 4.9.x and classified as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

The bug was discovered 06/15/2015. The weakness was shared 03/29/2017 by Peter Bex (Website). The advisory is shared at lists.nongnu.org. This vulnerability is known as CVE-2015-4556 since 06/15/2015. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 84459 (Fedora 22 : chicken-4.9.0.1-4.fc22 (2015-10333)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 4.10.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (84459) and SecurityFocus (BID 97293†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84459
Nessus Name: Fedora 22 : chicken-4.9.0.1-4.fc22 (2015-10333)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for chicken FEDORA-2015-10333
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CHICKEN 4.10.0

Timelineinfo

06/15/2015 🔍
06/15/2015 +0 days 🔍
06/20/2015 +5 days 🔍
06/30/2015 +10 days 🔍
03/29/2017 +638 days 🔍
03/29/2017 +0 days 🔍
03/30/2017 +1 days 🔍
04/03/2017 +4 days 🔍
08/23/2020 +1238 days 🔍

Sourcesinfo

Advisory: lists.nongnu.org
Researcher: Peter Bex
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4556 (🔍)
GCVE (CVE): GCVE-0-2015-4556
GCVE (VulDB): GCVE-100-99049
SecurityFocus: 97293 - CHICKEN CVE-2015-4556 Denial of Service Vulnerability
OSVDB: - CVE-2015-4556 - CHICKEN - Denial of Service Issue

Entryinfo

Created: 03/30/2017 09:21
Updated: 08/23/2020 21:47
Changes: 03/30/2017 09:21 (70), 08/23/2020 21:47 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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