FreeBSD header injection | CVE-2023-4809
NAME
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FreeBSD header injection
Platforms Affected:
FreeBSD FreeBSD 12.0
FreeBSD FreeBSD 13.0
FreeBSD FreeBSD 13.2
FreeBSD FreeBSD 12.4
Risk Level:
6.5
Exploitability:
Unproven
Consequences:
Data Manipulation
DESCRIPTION
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FreeBSD is vulnerable to HTTP header injection, caused by improper validation of user requests by the scrub fragment reassemble rule implementation. By sending a a specially crafted pf packet with multiple fragment extension headers, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS 3.0 Information
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Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Access Vector:
Network
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