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Fencer Vulns
medium 5.9

CVE-2024-0914 json

Opencryptoki: timing side-channel in handling of rsa pkcs#1 v1.5 padded ciphertexts (marvin)

published 2024-01-31 2 y ago modified 2026-11-05 4 d ago also EUVD-2024-16696

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

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.

Patch / fix

  • Red Hat Red Hat Enterprise Linux 8 0:3.21.0-10.el8_9
  • Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 0:3.17.0-6.el8_6
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:3.19.0-3.el8_8
  • Red Hat Red Hat Enterprise Linux 9 0:3.21.0-9.el9_3
  • Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:3.19.0-3.el9_2
  • opencryptoki Debian 14, Debian 13 3.23.0+dfsg-0.1

debian advisories DEBIAN-CVE-2024-0914

  • opencryptoki RHEL 8 3.21.0-10.el8_9
  • opencryptoki-libs RHEL 8 3.21.0-10.el8_9
  • opencryptoki-swtok RHEL 8 3.21.0-10.el8_9
  • opencryptoki-ccatok RHEL 8 3.21.0-10.el8_9
  • opencryptoki-icatok RHEL 8 3.21.0-10.el8_9
  • opencryptoki-tpmtok RHEL 8 3.21.0-10.el8_9
  • opencryptoki-ep11tok RHEL 8 3.21.0-10.el8_9
  • opencryptoki-icsftok RHEL 8 3.21.0-10.el8_9

red hat advisories RHSA-2024:1992RHSA-2024:1856RHSA-2024:1608RHSA-2024:1411RHSA-2024:1239

  • openCryptoki SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 3.17.0-5.9.2
  • openCryptoki SLE Module for Server Applications 15 SP5, SLE Micro 5.5, openSUSE Leap 15.5 3.23.0-150500.3.3.13

suse advisories SUSE-SU-2024:2298-1SUSE-SU-2024:1447-1

  • openCryptoki openSUSE Tumbleweed 3.23.0-4.1

opensuse advisories openSUSE-SU-2024:14195-1

  • opencryptoki AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-libs AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-swtok AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-ccatok AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-icatok AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-tpmtok AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-ep11tok AlmaLinux 8 3.21.0-10.el8_9.alma.1
  • opencryptoki-icsftok AlmaLinux 8 3.21.0-10.el8_9.alma.1

almalinux advisories ALSA-2024:1608ALSA-2024:1239

  • opencryptoki Rocky Linux 8 3.21.0-10.el8_9

rocky linux advisories RLSA-2024:1608

  • opencryptoki Azure Linux 3.0 3.24.0-3

azure linux advisories AZL-36965

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-0914 updated cvss 5.9

opencryptoki: timing side-channel in handling of RSA PKCS#1 v1.5 padded ciphertexts (Marvin)

  • Red Hat Enterprise Linux 6 opencryptoki, opencryptoki-libs Red Hat Enterprise Linux 7 opencryptoki, opencryptoki-libs, opencryptoki-swtok, opencryptoki-ccatok, opencryptoki-icatok, opencryptoki-tpmtok, +2 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) opencryptoki-devel 3.21.0-10.el8_9, opencryptoki-debuginfo 3.21.0-10.el8_9, opencryptoki-debugsource 3.21.0-10.el8_9, opencryptoki-libs-debuginfo 3.21.0-10.el8_9, opencryptoki-swtok-debuginfo 3.21.0-10.el8_9, opencryptoki-ccatok-debuginfo 3.21.0-10.el8_9, +4 more
    fixed: vendor fix RHSA-2024:1608
  • Red Hat CodeReady Linux Builder (v. 9) opencryptoki-devel 3.21.0-9.el9_3, opencryptoki-debuginfo 3.21.0-9.el9_3, opencryptoki-debugsource 3.21.0-9.el9_3, opencryptoki-libs-debuginfo 3.21.0-9.el9_3, opencryptoki-swtok-debuginfo 3.21.0-9.el9_3, opencryptoki-ccatok-debuginfo 3.21.0-9.el9_3, +3 more
    fixed: vendor fix RHSA-2024:1239
  • Red Hat CodeReady Linux Builder EUS (v.8.6) opencryptoki-devel 3.17.0-6.el8_6, opencryptoki-debuginfo 3.17.0-6.el8_6, opencryptoki-debugsource 3.17.0-6.el8_6, opencryptoki-libs-debuginfo 3.17.0-6.el8_6, opencryptoki-swtok-debuginfo 3.17.0-6.el8_6, opencryptoki-ccatok-debuginfo 3.17.0-6.el8_6, +4 more
    fixed: vendor fix RHSA-2024:1992
  • Red Hat CodeReady Linux Builder EUS (v.8.8) opencryptoki-devel 3.19.0-3.el8_8, opencryptoki-debuginfo 3.19.0-3.el8_8, opencryptoki-debugsource 3.19.0-3.el8_8, opencryptoki-libs-debuginfo 3.19.0-3.el8_8, opencryptoki-swtok-debuginfo 3.19.0-3.el8_8, opencryptoki-ccatok-debuginfo 3.19.0-3.el8_8, +4 more
    fixed: vendor fix RHSA-2024:1411
  • Red Hat CodeReady Linux Builder EUS (v.9.2) opencryptoki-devel 3.19.0-3.el9_2, opencryptoki-debuginfo 3.19.0-3.el9_2, opencryptoki-debugsource 3.19.0-3.el9_2, opencryptoki-libs-debuginfo 3.19.0-3.el9_2, opencryptoki-swtok-debuginfo 3.19.0-3.el9_2, opencryptoki-ccatok-debuginfo 3.19.0-3.el9_2, +3 more
    fixed: vendor fix RHSA-2024:1856
  • Red Hat Enterprise Linux BaseOS (v. 8) opencryptoki 3.21.0-10.el8_9, opencryptoki-libs 3.21.0-10.el8_9, opencryptoki-swtok 3.21.0-10.el8_9, opencryptoki-ccatok 3.21.0-10.el8_9, opencryptoki-icatok 3.21.0-10.el8_9, opencryptoki-tpmtok 3.21.0-10.el8_9, +2 more
    fixed: vendor fix RHSA-2024:1608
  • Red Hat Enterprise Linux BaseOS (v. 9) opencryptoki 3.21.0-9.el9_3, opencryptoki-libs 3.21.0-9.el9_3, opencryptoki-swtok 3.21.0-9.el9_3, opencryptoki-ccatok 3.21.0-9.el9_3, opencryptoki-icatok 3.21.0-9.el9_3, opencryptoki-ep11tok 3.21.0-9.el9_3, +1 more
    fixed: vendor fix RHSA-2024:1239
show 3 more
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) opencryptoki 3.17.0-6.el8_6, opencryptoki-libs 3.17.0-6.el8_6, opencryptoki-swtok 3.17.0-6.el8_6, opencryptoki-ccatok 3.17.0-6.el8_6, opencryptoki-icatok 3.17.0-6.el8_6, opencryptoki-tpmtok 3.17.0-6.el8_6, +2 more
    fixed: vendor fix RHSA-2024:1992
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) opencryptoki 3.19.0-3.el8_8, opencryptoki-libs 3.19.0-3.el8_8, opencryptoki-swtok 3.19.0-3.el8_8, opencryptoki-ccatok 3.19.0-3.el8_8, opencryptoki-icatok 3.19.0-3.el8_8, opencryptoki-tpmtok 3.19.0-3.el8_8, +2 more
    fixed: vendor fix RHSA-2024:1411
  • Red Hat Enterprise Linux BaseOS EUS (v.9.2) opencryptoki 3.19.0-3.el9_2, opencryptoki-libs 3.19.0-3.el9_2, opencryptoki-swtok 3.19.0-3.el9_2, opencryptoki-ccatok 3.19.0-3.el9_2, opencryptoki-icatok 3.19.0-3.el9_2, opencryptoki-ep11tok 3.19.0-3.el9_2, +1 more
    fixed: vendor fix RHSA-2024:1856

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.