CVE-2024-2467

MEDIUM 5.9

Perl-crypt-openssl-rsa: side-channel attack in pkcs#1 v1.5 padding mode (marvin attack)

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

A timing-based side-channel flaw exists in the perl-Crypt-OpenSSL-RSA package, which could be sufficient to recover 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. The vulnerability affects the legacy PKCS#1v1.5 RSA encryption padding mode.

CWE	CWE-208
Published	Apr 25, 2024
Last Updated	Feb 25, 2026

Stay Ahead of the Next One

Get instant alerts for

Be the first to know when new medium vulnerabilities are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Red Hat / Red Hat Enterprise Linux 6

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2024-2467 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2269567 github.com: https://github.com/toddr/Crypt-OpenSSL-RSA/issues/42 people.redhat.com: https://people.redhat.com/~hkario/marvin/

Credits

This issue was discovered by Hubert Kario (Red Hat).