VDB-144727 · CVE-2012-6125 · OSVDB 90052

CHICKEN up to 4.7.x Hash Table Collision input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in CHICKEN up to 4.7.x. Affected by this vulnerability is an unknown functionality of the component Hash Table Handler. This manipulation causes input validation (Collision). This vulnerability is tracked as CVE-2012-6125. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in CHICKEN up to 4.7.x. It has been declared as very critical. Affected by this vulnerability is some unknown functionality of the component Hash Table Handler. The manipulation with an unknown input leads to a input validation vulnerability (Collision). 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, integrity, and availability. The summary by CVE is:

Chicken before 4.8.0 is susceptible to algorithmic complexity attacks related to hash table collisions.

The weakness was disclosed 10/31/2019 (Website). It is possible to read the advisory at lists.nongnu.org. This vulnerability is known as CVE-2012-6125 since 12/06/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/01/2019).

Upgrading to version 4.8.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (90052†). The entries VDB-144726, VDB-144725 and VDB-144724 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

Name: Collision
Class: Input validation / Collision
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CHICKEN 4.8.0

Timelineinfo

12/06/2012 🔍
10/31/2019 +2520 days 🔍
11/01/2019 +1 days 🔍
11/01/2019 +0 days 🔍

Sourcesinfo

Advisory: lists.nongnu.org
Status: Not defined

CVE: CVE-2012-6125 (🔍)
GCVE (CVE): GCVE-0-2012-6125
GCVE (VulDB): GCVE-100-144727
OSVDB: 90052

See also: 🔍

Entryinfo

Created: 11/01/2019 08:45
Updated: 11/01/2019 08:50
Changes: 11/01/2019 08:45 (41), 11/01/2019 08:50 (17)
Complete: 🔍
Cache ID: 216::103

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