HTTP: Empty Header Denial of Service
This signature detects attempts to exploit a known vulerability against HTTP header for known web servers. Using a malicious HTTP client, attackers can send a maliciously crafted request that contains an empty Range or Connection header field to a Web server to crash the Web server daemon; the system must be manually restarted to restore service.
Extended Description
Remote attackers can exploit this vulnerability to crash an affected server, causing a denial of service.
References
BugTraq: 99137
CVE: CVE-2017-7668
URL: http://archives.neohapsis.com/archives/bugtraq/2003-04/0095.html
Short Name
HTTP:MISC:EMPTY-HDR-DOS
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2017-7668 Denial Empty Header Service bid:99137 of
Release Date
04/22/2003
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
3375
False Positive
Unknown
CVSS Score
7.5