CVE-2023-30570 Denial of service in n/a

High 7.5 Published Updated

Unauthenticated attackers can crash the Libreswan pluto daemon via IKEv1 Aggressive Mode packets, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-30570?

CVE-2023-30570 is a high-severity denial of service vulnerability in n/a, published on 28 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.

Weakness: CWE-400

Which versions are affected by CVE-2023-30570?

It affects 1 product.

Linux distribution packages (28)
libreswan AlmaLinux:8All versions4.5-1.el8_7.1
libreswan Red Hat:enterprise_linux:8::appstreamAll versions0:4.5-1.el8_7.1
libreswan-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions0:4.5-1.el8_7.1
libreswan-debugsource Red Hat:enterprise_linux:8::appstreamAll versions0:4.5-1.el8_7.1
libreswan Red Hat:enterprise_linux:9::appstreamAll versions0:4.6-3.el9_1.1
libreswan-debuginfo Red Hat:enterprise_linux:9::appstreamAll versions0:4.6-3.el9_1.1
libreswan-debugsource Red Hat:enterprise_linux:9::appstreamAll versions0:4.6-3.el9_1.1
libreswan Red Hat:rhel_aus:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debuginfo Red Hat:rhel_aus:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debugsource Red Hat:rhel_aus:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan Red Hat:rhel_e4s:8.1::appstreamAll versions0:3.29-7.el8_1.2
libreswan-debuginfo Red Hat:rhel_e4s:8.1::appstreamAll versions0:3.29-7.el8_1.2
libreswan-debugsource Red Hat:rhel_e4s:8.1::appstreamAll versions0:3.29-7.el8_1.2
libreswan Red Hat:rhel_e4s:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debuginfo Red Hat:rhel_e4s:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debugsource Red Hat:rhel_e4s:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan Red Hat:rhel_eus:8.4::appstreamAll versions0:4.3-6.el8_4.1
libreswan-debuginfo Red Hat:rhel_eus:8.4::appstreamAll versions0:4.3-6.el8_4.1
libreswan-debugsource Red Hat:rhel_eus:8.4::appstreamAll versions0:4.3-6.el8_4.1
libreswan Red Hat:rhel_eus:8.6::appstreamAll versions0:4.5-1.el8_6.1
libreswan-debuginfo Red Hat:rhel_eus:8.6::appstreamAll versions0:4.5-1.el8_6.1
libreswan-debugsource Red Hat:rhel_eus:8.6::appstreamAll versions0:4.5-1.el8_6.1
libreswan Red Hat:rhel_eus:9.0::appstreamAll versions0:4.6-3.el9_0.1
libreswan-debuginfo Red Hat:rhel_eus:9.0::appstreamAll versions0:4.6-3.el9_0.1
libreswan-debugsource Red Hat:rhel_eus:9.0::appstreamAll versions0:4.6-3.el9_0.1
libreswan Red Hat:rhel_tus:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debuginfo Red Hat:rhel_tus:8.2::appstreamAll versions0:3.29-7.el8_2.2
libreswan-debugsource Red Hat:rhel_tus:8.2::appstreamAll versions0:3.29-7.el8_2.2

Products include Libreswan Libreswan.

How do I fix CVE-2023-30570?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-30570 being exploited?

There is no known exploitation of CVE-2023-30570 in the wild and no public exploit code.

Sources

Also known as ALSA-2023:2122, AZL-26873, AZL-34934, DEBIAN-CVE-2023-30570, GHSA-4h3c-85v5-c6x6, OESA-2023-1318 and 8 more.

Is CVE-2023-30570 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free