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)…
Does this matter?
Lower severity and a low EPSS score (3.21%). Track it; it rarely justifies an emergency change on its own.
Description
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.21% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- strongswan/strongswan · xelerance/openswan
- Source
- secalert@redhat.com
References
- http://download.strongswan.org/CHANGES4.txtVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html
- http://secunia.com/advisories/34472Vendor Advisory
- http://secunia.com/advisories/34483Vendor Advisory
- http://secunia.com/advisories/34494Vendor Advisory
- http://secunia.com/advisories/34546Vendor Advisory
- http://www.debian.org/security/2009/dsa-1759Patch
- http://www.debian.org/security/2009/dsa-1760Patch
- http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txtVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0402.html
- http://www.securityfocus.com/archive/1/502270/100/0/threaded
- http://www.securityfocus.com/bid/34296Patch
- http://www.securitytracker.com/id?1021949
- http://www.securitytracker.com/id?1021950
- http://www.vupen.com/english/advisories/2009/0886
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49523
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11171
- http://download.strongswan.org/CHANGES4.txtVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html
- http://secunia.com/advisories/34472Vendor Advisory
- http://secunia.com/advisories/34483Vendor Advisory
- http://secunia.com/advisories/34494Vendor Advisory
- http://secunia.com/advisories/34546Vendor Advisory
- http://www.debian.org/security/2009/dsa-1759Patch
- http://www.debian.org/security/2009/dsa-1760Patch
- http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txtVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0402.html
- http://www.securityfocus.com/archive/1/502270/100/0/threaded
- http://www.securityfocus.com/bid/34296Patch
- http://www.securitytracker.com/id?1021949
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.