Opensc: side-channel leaks while stripping encryption pkcs#1 padding
Published Jan 31, 2024
5.9
MEDIUMCVSS 3.1
EPSS 1.16%
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 products
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 | affected |
|
Configuration 1
- < 0.25.0
Configuration 2
- 7.0
- 8.0
- 9.0
- 9.4
- 8.0_aarch64
- 9.0_aarch64
- 9.4_aarch64
- 8.0_s390x
- 9.0_s390x
- 9.4_s390x
- 9.0_ppc64le
- 9.4_ppc64le
- 9.4
- 9.2
- 9.4_ppc64le
No data.
Red Hat Enterprise Linux 8
opensc-0:0.20.0-8.el8_9
Fixed · RHSA-2024:0967
Red Hat Enterprise Linux 9
opensc-0:0.23.0-4.el9_3
Fixed · RHSA-2024:0966
Red Hat Enterprise Linux 7
opensc
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | opensc-0:0.20.0-8.el8_9 | Fixed | RHSA-2024:0967 |
| Red Hat Enterprise Linux 9 | opensc-0:0.23.0-4.el9_3 | Fixed | RHSA-2024:0966 |
| Red Hat Enterprise Linux 7 | opensc | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 2, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.16% (0.01156) | 65.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.16% (0.01156) | 62.79th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.49% (0.00494) | 63.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00071) | 32.79th | v3 (v2023.03.01) |
| Mar 23, 2024 | 0.09% (0.00086) | 35.30th | v3 (v2023.03.01) |
| Mar 16, 2024 | 0.07% (0.00075) | 30.45th | v3 (v2023.03.01) |
| Feb 26, 2024 | 0.05% (0.00052) | 17.81th | v3 (v2023.03.01) |
| Feb 9, 2024 | 0.06% (0.00056) | 20.33th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.04% (0.00045) | 11.97th | v3 (v2023.03.01) |
References (12)
- https://access.redhat.com/errata/RHSA-2024:0966 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0967 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5992 vdb-entryx_refsource_REDHATThird Party AdvisoryVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248685 issue-trackingx_refsource_REDHATIssue Tracking
- https://github.com/OpenSC/OpenSC/wiki/CVE-2023-5992 Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
- 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://nvd.nist.gov/vuln/detail/CVE-2023-5992
- https://www.cve.org/CVERecord?id=CVE-2023-5992
- https://www.usenix.org/system/files/usenixsecurity24-shagam.pdf ExploitTechnical Description
Change history (0)
No recorded changes yet.