Logstash up to 2.3.3 Elasticsearch Output Plugin Credentials information disclosure

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 Logstash up to 2.3.3. It has been rated as problematic. This affects an unknown function of the component Elasticsearch Output Plugin. Performing a manipulation results in information disclosure (Credentials). This vulnerability is reported as CVE-2016-1000221. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Logstash up to 2.3.3. This affects an unknown function of the component Elasticsearch Output Plugin. The manipulation with an unknown input leads to a information disclosure vulnerability (Credentials). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information.

The bug was discovered 07/07/2016. The weakness was disclosed 06/16/2017 (Website). It is possible to read the advisory at elastic.co. This vulnerability is uniquely identified as CVE-2016-1000221 since 09/12/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 344 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370522 (Elasticsearch Logstash Information Disclosure Vulnerability (ESA-2016-02)).

Upgrading to version 2.3.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99126†). The entries VDB-75175, VDB-102624, VDB-102623 and VDB-102625 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Credentials
Class: Information disclosure / Credentials
CWE: CWE-200 / CWE-284 / CWE-266
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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OpenVAS ID: 63994
OpenVAS Name: Elasticsearch Logstash CVE-2016-1000221 Information Disclosure Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Logstash 2.3.4

Timelineinfo

07/07/2016 🔍
09/12/2016 +67 days 🔍
06/16/2017 +277 days 🔍
06/16/2017 +0 days 🔍
06/16/2017 +0 days 🔍
06/17/2017 +1 days 🔍
10/18/2019 +853 days 🔍

Sourcesinfo

Advisory: elastic.co
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1000221 (🔍)
GCVE (CVE): GCVE-0-2016-1000221
GCVE (VulDB): GCVE-100-102627
SecurityFocus: 99126 - Elasticsearch Logstash CVE-2016-1000221 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 06/17/2017 10:53
Updated: 10/18/2019 18:13
Changes: 06/17/2017 10:53 (67), 10/18/2019 18:13 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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