CVE-2024-3296
rust-openssl: timing based side-channel can lead to a Bleichenbacher style attack
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 15, 2024
Updated · February 26, 2026
Description
A timing-based side-channel flaw exists in the rust-openssl package, which could be sufficient to recover a plaintext across a network in a Bleichenbacher-style attack. To achieve successful decryption, an attacker would have to be able to send a large number of trial messages for decryption. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.
Statement
The Red Hat Enterprise Linux remains unaffected by this vulnerability since it does not include the vulnerable codebase or version.
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-208 · Observable Timing Discrepancy