CVE-2024-2467 Perl-crypt-openssl-rsa: side-channel attack in pkcs#1 v1.5 padding mode (marvin attack)
A timing side-channel in Perl's RSA library allows attackers to recover plaintext via Bleichenbacher-style attacks, requiring many trial messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-2467?
CVE-2024-2467 is a medium-severity vulnerability in Red Hat Enterprise Linux 6, published on 25 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-208
Which versions are affected by CVE-2024-2467?
Linux distribution packages (5)
perl-Crypt-OpenSSL-RSA SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 0.28-150600.19.3.1 |
perl-Crypt-OpenSSL-RSA SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 0.28-150600.19.3.1 |
perl-Crypt-OpenSSL-RSA SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 0.28-10.3.1 |
perl-Crypt-OpenSSL-RSA openSUSE:Leap 15.6 | All versions | 0.28-150600.19.3.1 |
perl-Crypt-OpenSSL-RSA openSUSE:Tumbleweed | All versions | 0.350.0-1.1 |
How do I fix CVE-2024-2467?
Apply the vendor's patch.
Is CVE-2024-2467 being exploited?
There is no known exploitation of CVE-2024-2467 in the wild and no public exploit code.
Sources
Also known as AZL-43687, AZL-44739, DEBIAN-CVE-2024-2467, GHSA-974v-c5m7-m9wc, MGASA-2025-0287, OESA-2025-1673 and 5 more.