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Vulnerability · Published Jan 31, 2024 · Assigned by redhat

CVE-2023-5992Opensc: side-channel leaks while stripping encryption pkcs#1 padding

Medium 5.6

In plain English

A medium-severity security flaw in Red Hat Enterprise Linux 7 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)1.2%top 32.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8opensc0.20.0-8.el8_9ALSA-2024:0967
AlmaLinux:9opensc0.23.0-4.el9_3ALSA-2024:0966
Alpine:v3.20opensc0.25.1-r0ALPINE-CVE-2023-5992
Alpine:v3.21opensc0.25.1-r0ALPINE-CVE-2023-5992
Alpine:v3.22opensc0.25.1-r0ALPINE-CVE-2023-5992
Alpine:v3.23opensc0.25.1-r0ALPINE-CVE-2023-5992
Alpine:v3.24opensc0.25.1-r0ALPINE-CVE-2023-5992
Debian:12opensc0.23.0-0.3+deb12u2DEBIAN-CVE-2023-5992
Debian:13opensc0.25.0~rc1-1DEBIAN-CVE-2023-5992
Debian:14opensc0.25.0~rc1-1DEBIAN-CVE-2023-5992
Rocky Linux:8opensc0:0.20.0-8.el8_9RLSA-2024:0967
Rocky Linux:9opensc0:0.23.0-4.el9_3RLSA-2024:0966

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 7 see references

Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References