CVE-2023-52323
pycryptodome: side-channel leakage for OAEP decryption in PyCryptodome and pycryptodomex
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 5, 2024
Updated · October 31, 2026
Description
A flaw was found in PyCryptodome/pycryptodomex which may allow for side-channel leakage when performing OAEP decryption, which could be exploited to carry out a Manger attack.
Statement
Red Hat Satellite ship affected version of pycryptodome for pulp_container, however, product is not vulnerable as it doesn't utilize OAEP algorithm technique. Red Hat Product Security has classified its impact as Low for Red Hat Satellite; future updates expected to address this issue.
Red Hat OpenStack 16.1 and 16.2 versions include affected python-scciclient embedded through the python-crypto package, however, python-scciclient employs only one algorithm, which is AES. While the version of python-crypto we ship may be susceptible to a particular CVE, since affected algorithms are not utilized by OpenStack, the attack cannot be executed to exploit an OpenStack deployment
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-203 · Observable Discrepancy