Improper input validation in Strongswan
CVE-2009-0790
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.032 (87.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Strongswan — versions 2.4.0, 2.4.0a, 2.4.1
- Xelerance Openswan — versions 2.4.0, 2.4.1, 2.4.2
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/49523 (vdb-entry)
- secunia.com/advisories/34494 (Vendor Advisory, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11171 (signature, vdb-entry)
- secunia.com/advisories/34472 (Vendor Advisory, third-party-advisory)
- www.debian.org/security/2009/dsa-1759 (vendor-advisory, Patch)
- www.vupen.com/english/advisories/2009/0886 (vdb-entry)
- www.securitytracker.com/id (vdb-entry)
- secunia.com/advisories/34546 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/archive/1/502270/100/0/threaded (mailing-list)
- secunia.com/advisories/34483 (Vendor Advisory, third-party-advisory)