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

Medium 5.6 Published Updated

OpenSC fails to implement side-channel resistant PKCS#1 padding removal, potentially leaking private data to attackers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-5992?

CVE-2023-5992 is a medium-severity vulnerability in Opensc Project Opensc, published on 31 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-203

Which versions are affected by CVE-2023-5992?

It affects 11 products.

Linux distribution packages (26)
opensc AlmaLinux:8All versions0.20.0-8.el8_9
opensc AlmaLinux:9All versions0.23.0-4.el9_3
opensc Red Hat:enterprise_linux:8::baseosAll versions0:0.20.0-8.el8_9
opensc-debuginfo Red Hat:enterprise_linux:8::baseosAll versions0:0.20.0-8.el8_9
opensc-debugsource Red Hat:enterprise_linux:8::baseosAll versions0:0.20.0-8.el8_9
opensc Red Hat:enterprise_linux:9::baseosAll versions0:0.23.0-4.el9_3
opensc-debuginfo Red Hat:enterprise_linux:9::baseosAll versions0:0.23.0-4.el9_3
opensc-debugsource Red Hat:enterprise_linux:9::baseosAll versions0:0.23.0-4.el9_3
opensc Rocky Linux:8All versions0:0.20.0-8.el8_9
opensc Rocky Linux:9All versions0:0.23.0-4.el9_3
opensc SUSE:Linux Enterprise Micro 5.1All versions0.19.0-150100.3.28.1
opensc SUSE:Linux Enterprise Micro 5.2All versions0.19.0-150100.3.28.1
opensc SUSE:Linux Enterprise Micro 5.3All versions0.22.0-150400.3.9.1
opensc SUSE:Linux Enterprise Micro 5.4All versions0.22.0-150400.3.9.1
opensc SUSE:Linux Enterprise Micro 5.5All versions0.22.0-150400.3.9.1
opensc SUSE:Linux Enterprise Micro 5.5All versions0.22.0-150400.3.9.1
opensc SUSE:Linux Enterprise Module for Basesystem 15 SP5All versions0.22.0-150400.3.9.1
opensc SUSE:Linux Enterprise Module for Basesystem 15 SP6All versions0.22.0-150600.11.6.1
opensc SUSE:Linux Enterprise Module for Basesystem 15 SP7All versions0.22.0-150600.11.6.1
opensc SUSE:Linux Enterprise Server 12 SP5All versions0.13.0-3.28.1
opensc SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions0.13.0-3.28.1
opensc SUSE:Linux Micro 6.0All versions0.24.0-4.1
opensc openSUSE:Leap 15.5All versions0.22.0-150400.3.9.1
opensc openSUSE:Leap 15.6All versions0.22.0-150600.11.6.1
opensc openSUSE:Leap Micro 5.3All versions0.22.0-150400.3.9.1
opensc openSUSE:Leap Micro 5.4All versions0.22.0-150400.3.9.1

Products include Opensc Project Opensc, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux for Arm 64, Redhat Enterprise Linux for Arm 64 Eus, Redhat Enterprise Linux for Ibm Z Systems and 5 more.

How do I fix CVE-2023-5992?

Apply the vendor's patch.

Is CVE-2023-5992 being exploited?

There is no known exploitation of CVE-2023-5992 in the wild and no public exploit code.

All Opensc Project Opensc vulnerabilities

Sources

Also known as ALSA-2024:0966, ALSA-2024:0967, AZL-34088, AZL-35077, BELL-CVE-2023-5992, DEBIAN-CVE-2023-5992 and 14 more.

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