Vulnerability in Libreswan
CVE-2019-10155
The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions before 3.29.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000
Affected products
- Libreswan
- Strongswan
- The Libreswan Project — versions 3.29
- Xelerance Openswan
- Fedoraproject Fedora — versions 29, 30
- Red Hat Enterprise Linux — versions 8.0
Weakness classification (CWE)
References
- libreswan.org/security/CVE-2019-10155/ (Patch, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3391 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10155?
- CVE-2019-10155 is a low-severity vulnerability in Libreswan, classified under Improper Validation of Integrity Check Value. CVSS score: 3.1/10. Published 2019-06-12.
- How severe is CVE-2019-10155?
- Low severity. CVSS v3 base score is 3.1 out of 10.