CVE-2018-15796

Signing Key Extraction in Bits Service Release

Severity Score

8.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cloud Foundry Bits Service Release, versions prior to 2.14.0, uses an insecure hashing algorithm to sign URLs. A remote malicious user may obtain a signed URL and extract the signing key, allowing them complete read and write access to the the Bits Service storage.

Cloud Foundry Bits Service Release, en versiones anteriores a la 2.14.0, utiliza un algoritmo de hash inseguro para firmar URL. Un usuario malicioso remoto puede obtener una URL firmada y extraer la clave de firma, lo que permite un acceso completo de lectura y escritura al almacenamiento de Bits Service.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-08-23 CVE Reserved
2018-11-09 CVE Published
2024-08-22 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-326: Inadequate Encryption Strength

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.cloudfoundry.org/blog/cve-2018-15796	2020-08-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pivotal Software Search vendor "Pivotal Software"		Bits Service Search vendor "Pivotal Software" for product "Bits Service"				< 2.14.0 Search vendor "Pivotal Software" for product "Bits Service" and version " < 2.14.0"		-		Affected