Opencryptoki: timing side-channel in handling of rsa pkcs#1 v1.5 padded ciphertexts (marvin)
Priority LOW 28CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 10 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-203.
Summary
A timing side-channel vulnerability has been discovered in the opencryptoki package while processing RSA PKCS#1 v1.5 padded ciphertexts. This flaw could potentially enable unauthorized RSA ciphertext decryption or signing, even without access to the corresponding private key.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00878 59th percentileScored 2026-11-07
Fix Partial opencryptoki: 3.23.0Red Hat: 5 advisoriesRed Hat: 10 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | opencryptoki | 3.0.0 to before 3.23.0 | 3.23.0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 3.21.0-10.el8_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | 3.17.0-6.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 3.19.0-3.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.21.0-9.el9_3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 3.19.0-3.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
- opencryptoki Vendor— Affected 3.0.0 to before 3.23.0 Fixed in 3.23.0 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 3.21.0-10.el8_9 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support VendorRed Hat Affected — Fixed in 3.17.0-6.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 3.19.0-3.el8_8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.21.0-9.el9_3 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 3.19.0-3.el9_2 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opencryptoki_project:opencryptoki:*:*:*:*:*:*:*:* | before 3.23.0 | Vulnerable | opencryptoki |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
- cpe:2.3:a:opencryptoki_project:opencryptoki:*:*:*:*:*:*:*:* Versions before 3.23.0 Vulnerable ·opencryptoki
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
Remediation
- Fix · CNA opencryptoki Fixed in 3.23.0
Red Hat 5 advisories
- RHSA-2024:1992 Released 2024-04-23 · Red Hat rating Moderateopencryptoki security update
- Red Hat CodeReady Linux Builder EUS (v.8.6) opencryptoki-devel-3.17.0-6.el8_6
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) opencryptoki-3.17.0-6.el8_6, opencryptoki-ccatok-3.17.0-6.el8_6, opencryptoki-ep11tok-3.17.0-6.el8_6 +5
- RHSA-2024:1856 Released 2024-04-16 · Red Hat rating Moderateopencryptoki security update
- Red Hat CodeReady Linux Builder EUS (v.9.2) opencryptoki-devel-3.19.0-3.el9_2
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) opencryptoki-3.19.0-3.el9_2, opencryptoki-ccatok-3.19.0-3.el9_2, opencryptoki-ep11tok-3.19.0-3.el9_2 +4
- RHSA-2024:1608 Released 2024-04-02 · Red Hat rating Moderateopencryptoki security update
- Red Hat CodeReady Linux Builder (v. 8) opencryptoki-devel-3.21.0-10.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) opencryptoki-3.21.0-10.el8_9, opencryptoki-ccatok-3.21.0-10.el8_9, opencryptoki-ep11tok-3.21.0-10.el8_9 +5
Show 2 more Red Hat advisories
- RHSA-2024:1411 Released 2024-03-19 · Red Hat rating Moderateopencryptoki security update
- Red Hat CodeReady Linux Builder EUS (v.8.8) opencryptoki-devel-3.19.0-3.el8_8
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) opencryptoki-3.19.0-3.el8_8, opencryptoki-ccatok-3.19.0-3.el8_8, opencryptoki-ep11tok-3.19.0-3.el8_8 +5
- RHSA-2024:1239 Released 2024-03-07 · Red Hat rating Moderateopencryptoki security update
- Red Hat CodeReady Linux Builder (v. 9) opencryptoki-devel-3.21.0-9.el9_3
- Red Hat Enterprise Linux BaseOS (v. 9) opencryptoki-3.21.0-9.el9_3, opencryptoki-ccatok-3.21.0-9.el9_3, opencryptoki-ep11tok-3.21.0-9.el9_3 +4
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:1608 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:1239 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:1992 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:1411 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:1856 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:1608 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:1239 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:1992 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:1411 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:1856 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-0914
- 2026-10-03 Alias added: GHSA-qghg-5fph-q28c
References
More Red Hat Enterprise Linux vulnerabilities
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2024-0914 · CVE Program
- CVE-2024-0914 · NVD
- FIRST EPSS
- GHSA-qghg-5fph-q28c · GitHub Advisory Database · CC BY 4.0
- CVE-2024-0914 · Red Hat security data · CC BY 4.0
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