CVE-2020-36316

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature verification because garbage bytes can be present.

En RELIC anterior al 03-04-2021, se presenta un desbordamiento del búfer en la verificación de la firma PKCS#1 v1.5 porque bytes basura pueden estar presentes

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-04-07 CVE Reserved
2021-04-07 CVE Published
2023-12-22 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (4)

URL	Tag	Source
https://github.com/relic-toolkit/relic	Product
https://github.com/relic-toolkit/relic/tree/32eb4c257fc80328061d66639b1cdb35dbed51a2	Third Party Advisory

URL	Date	SRC
https://github.com/relic-toolkit/relic/issues/155	2024-08-04

URL	Date	SRC
https://github.com/relic-toolkit/relic/commit/76c9a1fdf19d9e92e566a77376673e522aae9f80	2021-04-16

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Relic Project Search vendor "Relic Project"		Relic Search vendor "Relic Project" for product "Relic"				< 2021-04-03 Search vendor "Relic Project" for product "Relic" and version " < 2021-04-03"		-		Affected