HTTP: Invalid Value in Header Field
This protocol anomaly triggers when it detects an HTTP header field with an invalid characters or syntax. This can be an exploit attempt.
Extended Description
A negative Content-Length value in an HTTP request or response should be considered a protocol anomaly. The impact of the protocol anomaly depends on how the web server processes a malformed HTTP message.
Short Name
HTTP:INVALID:HDR-FIELD
Severity
Major
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
CVE-2004-0493 CVE-2014-0050 CVE-2019-12822 CVE-2022-35742
Release Date
08/27/2003
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3529
False Positive
Frequently
CVSS Score
7.8