Observable discrepancy in Opencryptoki - CVE-2024-0914

Vulnerability identifier: #VU87279

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-0914

CWE-ID: CWE-203

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a timing side-channel attack.

The vulnerability exists due to observable discrepancy when processing RSA PKCS#1 v1.5 padded ciphertexts. A remote attacker can perform unauthorized RSA ciphertext decryption or signing, even without access to the corresponding private key.

Opencryptoki
Oracle Linux
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Micro
IBM AIX
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Anolis OS
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - AUS
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Server Applications Module
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
opencryptoki-help
opencryptoki-devel
opencryptoki-debugsource
opencryptoki-debuginfo
opencryptoki
openCryptoki-32bit
openCryptoki-64bit
openCryptoki
openCryptoki-debuginfo
openCryptoki-devel
openCryptoki-debugsource
opencryptoki (Red Hat package)
opencryptoki-tpmtok
opencryptoki-icsftok
opencryptoki-libs
opencryptoki-swtok
openCryptoki-32bit-debuginfo
openCryptoki-64bit-debuginfo
openCryptoki-devel-debuginfo

Install updates from vendor's website.

Opencryptoki - update to 3.23.0
opencryptoki-help - addressed in versions 3.10.0-3, 3.26.0-1
opencryptoki-devel - addressed in versions 3.10.0-3, 3.26.0-1
opencryptoki-debugsource - addressed in versions 3.10.0-3, 3.26.0-1
opencryptoki-debuginfo - addressed in versions 3.10.0-3, 3.26.0-1
opencryptoki - addressed in versions 3.10.0-3, 3.26.0-1
openCryptoki-32bit - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
openCryptoki-64bit - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
openCryptoki - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
openCryptoki-debuginfo - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
openCryptoki-devel - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
openCryptoki-debugsource - addressed in versions 3.17.0-5.9.2, 3.23.0-150500.3.3.13
opencryptoki (Red Hat package) - addressed in versions 3.17.0-6.el8_6, 3.19.0-3.el8_8, 3.19.0-3.el9_2, 3.21.0-9.el9_3, 3.21.0-10.el8_9
opencryptoki-tpmtok - update to 3.21.0-10
opencryptoki - update to 3.21.0-10
opencryptoki-devel - update to 3.21.0-10
opencryptoki-icsftok - update to 3.21.0-10
opencryptoki-libs - update to 3.21.0-10
opencryptoki-swtok - update to 3.21.0-10
openCryptoki-32bit-debuginfo - update to 3.23.0-150500.3.3.13
openCryptoki-64bit-debuginfo - update to 3.23.0-150500.3.3.13
openCryptoki-devel-debuginfo - update to 3.23.0-150500.3.3.13

• https://bugzilla.redhat.com/show_bug.cgi?id=2260407
• https://github.com/opencryptoki/opencryptoki/commit/2ea019ee2b09f15724d808382d53baca03403288
• https://github.com/opencryptoki/opencryptoki/commit/7ffc0e135b4d923d686be536aa7bf69405a360a1
• https://github.com/opencryptoki/opencryptoki/commit/c26e049bf40d656bc51429bad190b82fbf63f0c7
• https://github.com/opencryptoki/opencryptoki/issues/731
• https://github.com/opencryptoki/opencryptoki/pull/737

• Timing side-channel attack in opencryptoki
• Red Hat Enterprise Linux 9 update for opencryptoki
• Red Hat Enterprise Linux 8.8 Extended Update Support update for opencryptoki
• Red Hat Enterprise Linux 8 update for opencryptoki
• Red Hat Enterprise Linux 9.2 Extended Update Support update for opencryptoki
• Multiple vulnerabilities in Oracle Linux
• Red Hat Enterprise Linux 8.6 Extended Update Support update for opencryptoki
• SUSE update for openCryptoki
• Observable discrepancy in IBM AIX
• SUSE update for openCryptoki
• Anolis OS update for opencryptoki
• openEuler 20.03 LTS SP4 update for opencryptoki
• openEuler 22.03 LTS SP4 update for opencryptoki