Opencryptoki: timing side-channel in handling of rsa pkcs#1 v1.5 padded ciphertexts (marvin)
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 0.9%
exploitation probability
0.9%top 44% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
opencryptokiRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportReferences
https://access.redhat.com/errata/RHSA-2024:1239https://access.redhat.com/errata/RHSA-2024:1411https://access.redhat.com/errata/RHSA-2024:1608https://access.redhat.com/errata/RHSA-2024:1856https://access.redhat.com/errata/RHSA-2024:1992https://access.redhat.com/security/cve/CVE-2024-0914https://bugzilla.redhat.com/show_bug.cgi?id=2260407https://people.redhat.com/~hkario/marvin/