CVE-2024-2236 Libgcrypt: vulnerable to marvin attack
Medium 5.9
Published
Updated
Check this codebase for CVE-2024-2236 and fix it if it is affected.
What it is: CVE-2024-2236 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, published on 6 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-2236 in the wild and no public exploit code.
Affected product: Red Hat Enterprise Linux 10. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2024-2236/ (Markdown: https://insights.sbomify.com/CVE-2024-2236/index.md)
A timing side-channel in Libgcrypt's RSA implementation allows remote attackers to decrypt ciphertexts via a Bleichenbacher-style attack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-2236?
CVE-2024-2236 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, published on 6 Mar 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 was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
Weakness: CWE-385
Which versions are affected by CVE-2024-2236?
Linux distribution packages (40)
libgcrypt AlmaLinux:9 | All versions | 1.10.0-11.el9 |
libgcrypt-devel AlmaLinux:9 | All versions | 1.10.0-11.el9 |
libgcrypt-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.10.0-11.el9 |
libgcrypt-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:1.10.0-11.el9 |
libgcrypt-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:1.10.0-11.el9 |
libgcrypt-devel-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:1.10.0-11.el9 |
libgcrypt Red Hat:enterprise_linux:9::baseos | All versions | 0:1.10.0-11.el9 |
libgcrypt-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:1.10.0-11.el9 |
libgcrypt-debugsource Red Hat:enterprise_linux:9::baseos | All versions | 0:1.10.0-11.el9 |
libgcrypt-devel-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:1.10.0-11.el9 |
libgcrypt-debuginfo Red Hat:rhel_eus:9.2::appstream | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-debugsource Red Hat:rhel_eus:9.2::appstream | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-devel Red Hat:rhel_eus:9.2::appstream | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-devel-debuginfo Red Hat:rhel_eus:9.2::appstream | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt Red Hat:rhel_eus:9.2::baseos | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-debuginfo Red Hat:rhel_eus:9.2::baseos | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-debugsource Red Hat:rhel_eus:9.2::baseos | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-devel-debuginfo Red Hat:rhel_eus:9.2::baseos | All versions | 0:1.10.0-10.el9_2.1 |
libgcrypt-debuginfo Red Hat:rhel_eus:9.4::appstream | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-debugsource Red Hat:rhel_eus:9.4::appstream | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-devel Red Hat:rhel_eus:9.4::appstream | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-devel-debuginfo Red Hat:rhel_eus:9.4::appstream | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt Red Hat:rhel_eus:9.4::baseos | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-debuginfo Red Hat:rhel_eus:9.4::baseos | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-debugsource Red Hat:rhel_eus:9.4::baseos | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt-devel-debuginfo Red Hat:rhel_eus:9.4::baseos | All versions | 0:1.10.0-10.el9_4.1 |
libgcrypt Rocky Linux:9 | All versions | 0:1.10.0-11.el9 |
libgcrypt SUSE:Enterprise Storage 7.1 | All versions | 1.8.2-150100.8.45.1 |
libgcrypt SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | All versions | 1.8.2-150100.8.45.1 |
libgcrypt SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | All versions | 1.9.4-150400.6.11.1 |
libgcrypt SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS | All versions | 1.9.4-150400.6.11.1 |
libgcrypt SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | All versions | 1.9.4-150500.12.3.3 |
libgcrypt SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS | All versions | 1.9.4-150500.12.3.3 |
libgcrypt SUSE:Linux Enterprise Micro 5.1 | All versions | 1.8.2-150100.8.45.1 |
libgcrypt SUSE:Linux Enterprise Micro 5.2 | All versions | 1.8.2-150100.8.45.1 |
libgcrypt SUSE:Linux Enterprise Micro 5.3 | All versions | 1.9.4-150400.6.11.1 |
libgcrypt SUSE:Linux Enterprise Micro 5.4 | All versions | 1.9.4-150400.6.11.1 |
libgcrypt SUSE:Linux Enterprise Micro 5.5 | All versions | 1.9.4-150500.12.3.3 |
libgcrypt SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 1.10.3-150600.3.9.1 |
libgcrypt SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 1.11.0-150700.5.7.1 |
How do I fix CVE-2024-2236?
Apply the vendor's patch.
Is CVE-2024-2236 being exploited?
There is no known exploitation of CVE-2024-2236 in the wild and no public exploit code.
Sources
Also known as ALSA-2024:9404, AZL-108024, BELL-CVE-2024-2236, CLSA-2025-1736859209, CLSA-2025-1737656427, CLSA-2025-1744301726 and 25 more.