Medium severity · published Nov 26, 2019
CVE-2011-3624
Various methods in WEBrick::HTTPRequest in Ruby 1.9.2 and 1.8.7 and earlier do not validate the X-Forwarded-For, X-Forwarded-Host and X-Forwarded-Server headers in requests, which…
5.3
CVSS
1.5%
EPSS
No
On KEV
Description
Various methods in WEBrick::HTTPRequest in Ruby 1.9.2 and 1.8.7 and earlier do not validate the X-Forwarded-For, X-Forwarded-Host and X-Forwarded-Server headers in requests, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Ruby · Ruby-lang
1.8.7; 1.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-3624
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-3624
Third Party Advisory
https://access.redhat.com/security/cve/cve-2011-3624
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3624
redmine.ruby-lang.org
https://redmine.ruby-lang.org/issues/5418
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2011-3624
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