- Description
- Netgate pfSense CE from 2.7.1 through 2.9.0 contains a CRLF injection vulnerability in services_unbound_advanced.php that allows authenticated users with DNS Resolver: Advanced privilege to inject Unbound directives. Attackers can embed CR/LF characters in the unvalidated sock_queue_timeout parameter, which is written raw into unbound.conf, to override local records and forwarding for all clients.
- Source
- disclosure@vulncheck.com
- NVD status
- Analyzed
- Products
- pfsense
CVSS 4.0
- Type
- Secondary
- Base score
- 5.1
- Impact score
- -
- Exploitability score
- -
- Vector string
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity
- MEDIUM
CVSS 3.1
- Type
- Secondary
- Base score
- 5.5
- Impact score
- 2.7
- Exploitability score
- 2.3
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
- Severity
- MEDIUM
- disclosure@vulncheck.com
- CWE-93
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*",
"matchCriteriaId": "7FACA0E2-2FCD-49E0-B679-01AF641B918E",
"versionEndIncluding": "2.9.0",
"versionStartIncluding": "2.7.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]