VDB-146846 · CVE-2016-1000107 · GCVE-0-2016-1000107

Erlang up to 22.1 inets HTTP_PROXY redirect

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Erlang up to 22.1. The impacted element is an unknown function of the component inets. Such manipulation of the argument HTTP_PROXY as part of Environment Variable leads to redirect. This vulnerability is documented as CVE-2016-1000107. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Erlang up to 22.1. Affected by this issue is an unknown function of the component inets. The manipulation of the argument HTTP_PROXY as part of a Environment Variable leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

inets in Erlang possibly 22.1 and earlier follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue.

The bug was discovered 07/18/2016. The weakness was released 12/10/2019. This vulnerability is handled as CVE-2016-1000107 since 07/18/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1240 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Erlang

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 6.1
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: Redirect
CWE: CWE-601
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/18/2016 🔍
07/18/2016 +0 days 🔍
12/10/2019 +1240 days 🔍
12/11/2019 +1 days 🔍
03/09/2024 +1550 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2016-1000107 (🔍)
GCVE (CVE): GCVE-0-2016-1000107
GCVE (VulDB): GCVE-100-146846

Entryinfo

Created: 12/11/2019 08:10
Updated: 03/09/2024 11:43
Changes: 12/11/2019 08:10 (38), 12/11/2019 08:15 (17), 03/09/2024 11:43 (3)
Complete: 🔍
Cache ID: 216::103