CVE-2023-5992

Opensc: side-channel leaks while stripping encryption pkcs#1 padding

Severity Score

5.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

Se encontró una vulnerabilidad en OpenSC donde la eliminación del relleno de cifrado PKCS#1 no se implementa como resistente al canal lateral. Este problema puede resultar en una posible filtración de datos privados.

*Credits: This issue was discovered by Hubert Kario (Red Hat).

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-07 CVE Reserved
2024-01-31 CVE Published
2024-09-04 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-203: Observable Discrepancy

CAPEC

References (9)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OWIZ5ZLO5ECYPLSTESCF7I7PQO5X6ZSU
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJI2FWLY24EOPALQ43YPQEZMEP3APPPI
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UECKC7X4IM4YZQ5KRQMNBNKNOXLZC7RZ
https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2024:0966	2024-03-23
https://access.redhat.com/errata/RHSA-2024:0967	2024-03-23
https://access.redhat.com/security/cve/CVE-2023-5992	2024-02-26
https://bugzilla.redhat.com/show_bug.cgi?id=2248685	2024-02-26
https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992	2024-03-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensc Project Search vendor "Opensc Project"		Opensc Search vendor "Opensc Project" for product "Opensc"				< 0.24.0 Search vendor "Opensc Project" for product "Opensc" and version " < 0.24.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"		-		Affected