CVE-2024-3296

Rust-openssl: timing based side-channel can lead to a bleichenbacher style attack

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.

Remediation

Workaround:

  • Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2024-3296 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2269723 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-3296?
CVE-2024-3296 has been scored as a medium severity vulnerability.
How to fix CVE-2024-3296?
As a workaround for remediating CVE-2024-3296: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Is CVE-2024-3296 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-3296 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3296?
CVE-2024-3296 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.
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