VDB-130121 · CVE-2017-15720 · GCVE-0-2017-15720

Apache Airflow up to 1.8.2 Webserver Object input validation

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.
7.5	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Apache Airflow up to 1.8.2. It has been classified as critical. This affects an unknown part of the component Webserver. The manipulation as part of Object leads to input validation. This vulnerability is documented as CVE-2017-15720. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Apache Airflow up to 1.8.2. It has been rated as critical. This issue affects an unknown code block of the component Webserver. The manipulation as part of a Object leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Apache Airflow 1.8.2 and earlier, an authenticated user can execute code remotely on the Airflow webserver by creating a special object.

The bug was discovered 01/08/2019. The weakness was released 01/23/2019 (Website). The advisory is shared at lists.apache.org. The identification of this vulnerability is CVE-2017-15720 since 10/21/2017. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/05/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k.

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

Entries connected to this vulnerability are available at VDB-130122 and VDB-130123. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Business Process Management Software

Vendor

Apache

Name

Airflow

Version

License

open-source

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
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: 🔍

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

10/21/2017 🔍
01/08/2019 +444 days 🔍
01/23/2019 +15 days 🔍
01/23/2019 +0 days 🔍
01/24/2019 +1 days 🔍
05/05/2020 +467 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Not defined

CVE: CVE-2017-15720 (🔍)
GCVE (CVE): GCVE-0-2017-15720
GCVE (VulDB): GCVE-100-130121
See also: 🔍

Entryinfo

Created: 01/24/2019 14:50
Updated: 05/05/2020 09:33
Changes: 01/24/2019 14:50 (58), 05/05/2020 09:33 (1)
Complete: 🔍
Cache ID: 216::103

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