CVE-2023-5992

OpenSC: Side-channel leaks while stripping encryption PKCS#1 padding

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Severity

Moderate

Red Hat Product Security

5.6

CVSS 3.1

Review impact separately from score.

Published · November 28, 2023

Updated · November 21, 2025

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-203 · Observable Discrepancy