var-201401-0260
Vulnerability from variot
Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads. Supplementary information : CWE Vulnerability type by CWE-476: NULL Pointer Dereference (NULL Pointer dereference ) Has been identified. Openswan is a VPN implemented using ipsec technology. Versions prior to Libreswan 3.8 are vulnerable. Openswan is prone to a remote denial-of-service vulnerability due to a use-after-free error. An attacker may exploit this issue to crash the application, resulting in a denial-of-service condition. Note: This issue occurs only when Openswan is configured with 'nhelpers=0'. Openswan 2.3.0 to 2.6.36 are vulnerable
Show details on source website{
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.