Overview
- Description
- An issue was discovered in Libreswan 3.x and 4.x before 4.12. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer dereference on the deleted state causes the pluto daemon to crash and restart.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.5
- Impact score
- 3.6
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Severity
- MEDIUM
Weaknesses
- nvd@nist.gov
- CWE-476
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8DF49694-9BD7-46A7-851B-F03CB49A9250",
"versionEndExcluding": "4.0",
"versionStartIncluding": "3.0"
},
{
"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8923F14F-CAAA-402E-8549-8250C9CADA4A",
"versionEndExcluding": "4.12",
"versionStartIncluding": "4.0"
}
],
"operator": "OR"
}
]
}
]