CVE-2020-13845

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Sylabs Singularity 3.0 through 3.5 has Improper Validation of an Integrity Check Value. Image integrity is not validated when an ECL policy is enforced. The fingerprint required by the ECL is compared against the signature object descriptor(s) in the SIF file, rather than to a cryptographically validated signature.

Sylabs Singularity versiones 3.0 hasta 3.5, presenta una Comprobación Inapropiada de un Valor de Comprobación de Integridad. La integridad de la imagen no es comprobada cuando una política ECL es aplicada. La huella digital requerida por la ECL es comparada contra los descriptor(es) de objeto de firma en el archivo SIF, en lugar de con una firma comprobada criptográficamente

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-06-04 CVE Reserved
2020-07-14 CVE Published
2024-05-18 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-347: Improper Verification of Cryptographic Signature
CWE-354: Improper Validation of Integrity Check Value

CAPEC

References (5)

URL	Tag	Source
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5c	Third Party Advisory
https://medium.com/sylabs	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.html	2023-01-20
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html	2023-01-20
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.html	2023-01-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Sylabs Search vendor "Sylabs"		Singularity Search vendor "Sylabs" for product "Singularity"				>= 3.0.0 <= 3.5.0 Search vendor "Sylabs" for product "Singularity" and version " >= 3.0.0 <= 3.5.0"		-		Affected