Improper Input Validation Affecting strongswan package, versions <4.2.14-1


Severity

Recommended
0.0
medium
0
10

Based on Debian security rating.

Threat Intelligence

EPSS
39.65% (98th percentile)

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  • Snyk IDSNYK-DEBIAN9-STRONGSWAN-385251
  • published1 Apr 2009
  • disclosed1 Apr 2009

Introduced: 1 Apr 2009

CVE-2009-0790  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:9 strongswan to version 4.2.14-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream strongswan package and not the strongswan package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1