CVE-2023-30570 Denial of service in n/a
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:8 | All versions | 4.5-1.el8_7.1 |
libreswan Red Hat:enterprise_linux:8::appstream | All versions | 0:4.5-1.el8_7.1 |
libreswan-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:4.5-1.el8_7.1 |
libreswan-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:4.5-1.el8_7.1 |
libreswan Red Hat:enterprise_linux:9::appstream | All versions | 0:4.6-3.el9_1.1 |
libreswan-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:4.6-3.el9_1.1 |
libreswan-debugsource Red Hat:enterprise_linux:9::appstream | All versions | 0:4.6-3.el9_1.1 |
libreswan Red Hat:rhel_aus:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debuginfo Red Hat:rhel_aus:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debugsource Red Hat:rhel_aus:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan Red Hat:rhel_e4s:8.1::appstream | All versions | 0:3.29-7.el8_1.2 |
libreswan-debuginfo Red Hat:rhel_e4s:8.1::appstream | All versions | 0:3.29-7.el8_1.2 |
libreswan-debugsource Red Hat:rhel_e4s:8.1::appstream | All versions | 0:3.29-7.el8_1.2 |
libreswan Red Hat:rhel_e4s:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debuginfo Red Hat:rhel_e4s:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debugsource Red Hat:rhel_e4s:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan Red Hat:rhel_eus:8.4::appstream | All versions | 0:4.3-6.el8_4.1 |
libreswan-debuginfo Red Hat:rhel_eus:8.4::appstream | All versions | 0:4.3-6.el8_4.1 |
libreswan-debugsource Red Hat:rhel_eus:8.4::appstream | All versions | 0:4.3-6.el8_4.1 |
libreswan Red Hat:rhel_eus:8.6::appstream | All versions | 0:4.5-1.el8_6.1 |
libreswan-debuginfo Red Hat:rhel_eus:8.6::appstream | All versions | 0:4.5-1.el8_6.1 |
libreswan-debugsource Red Hat:rhel_eus:8.6::appstream | All versions | 0:4.5-1.el8_6.1 |
libreswan Red Hat:rhel_eus:9.0::appstream | All versions | 0:4.6-3.el9_0.1 |
libreswan-debuginfo Red Hat:rhel_eus:9.0::appstream | All versions | 0:4.6-3.el9_0.1 |
libreswan-debugsource Red Hat:rhel_eus:9.0::appstream | All versions | 0:4.6-3.el9_0.1 |
libreswan Red Hat:rhel_tus:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debuginfo Red Hat:rhel_tus:8.2::appstream | All versions | 0:3.29-7.el8_2.2 |
libreswan-debugsource Red Hat:rhel_tus:8.2::appstream | All versions | 0:3.29-7.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.
Other vulnerabilities in n/a
- CVE-2013-7283 Race condition in n/a
- CVE-2026-12413 IKEv2 Denial of Service via malformed fragmentation
- CVE-2026-50721 IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload
- CVE-2026-50722 IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload
- CVE-2023-2295 Denial of service in libreswan
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.