Vulnerability · Published Jan 15, 2022 · Assigned by mitre
CVE-2022-23094
High 7.5
In plain English
A high-severity security flaw in the libreswan package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.5%top 14.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Libreswan 4.2 through 4.5 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted IKEv1 packet because pluto/ikev1.c wrongly expects that a state object exists. This is fixed in 4.6.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libreswan | 4.4-4.el8_5 | ALSA-2022:0199 |
| Alpine:v3.20 | libreswan | 4.6-r0 | ALPINE-CVE-2022-23094 |
| Alpine:v3.21 | libreswan | 4.6-r0 | ALPINE-CVE-2022-23094 |
| Alpine:v3.22 | libreswan | 4.6-r0 | ALPINE-CVE-2022-23094 |
| Alpine:v3.23 | libreswan | 4.6-r0 | ALPINE-CVE-2022-23094 |
| Alpine:v3.24 | libreswan | 4.6-r0 | ALPINE-CVE-2022-23094 |
| Debian:12 | libreswan | 4.6-1 | DEBIAN-CVE-2022-23094 |
| Debian:13 | libreswan | 4.6-1 | DEBIAN-CVE-2022-23094 |
| Rocky Linux:8 | libreswan | 0:4.4-4.el8_5 | RLSA-2022:0199 |
| Ubuntu:22.04:LTS | libreswan | no fix listed | UBUNTU-CVE-2022-23094 |
Affected products (as reported)
References
- https://libreswan.org/security/CVE-2022-23094 x_refsource_MISC
- https://github.com/libreswan/libreswan/issues/585 x_refsource_MISC
- DSA-5048 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2022-a4bca77f88 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-42e0892147 vendor-advisory, x_refsource_FEDORA