VDB-87818 · CVE-2016-4326 · VU#586503

Chef Manage up to 1.11 on Linux Cookie deserialization

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	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 Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Chef Manage up to 1.11 on Linux. Impacted is an unknown function of the component Cookie Handler. Such manipulation leads to deserialization. This vulnerability is listed as CVE-2016-4326. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Chef Manage up to 1.11 on Linux (Automation Software) and classified as critical. Affected by this issue is an unknown part of the component Cookie Handler. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Chef Manage (formerly opscode-manage) add-on before 1.12.0 for Chef allows remote attackers to execute arbitrary code via crafted serialized data in a cookie.

The weakness was presented 06/10/2016 (CERT.org). The advisory is available at kb.cert.org. This vulnerability is handled as CVE-2016-4326 since 04/27/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.12.0 eliminates this vulnerability.

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

Productinfo

Type

Automation Software

Name

Chef Manage

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Chef Manage 1.12.0

Timelineinfo

04/27/2016 🔍
06/09/2016 +43 days 🔍
06/10/2016 +1 days 🔍
06/10/2016 +0 days 🔍
02/05/2025 +3162 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed

CVE: CVE-2016-4326 (🔍)
GCVE (CVE): GCVE-0-2016-4326
GCVE (VulDB): GCVE-100-87818
CERT: 🔍

Entryinfo

Created: 06/10/2016 09:37
Updated: 02/05/2025 06:24
Changes: 06/10/2016 09:37 (56), 01/14/2019 08:02 (2), 10/31/2024 21:51 (20), 12/29/2024 19:36 (1), 12/29/2024 19:37 (4), 02/05/2025 06:24 (1)
Complete: 🔍
Committer: tas50
Cache ID: 216::103