#VU8585 Denial of service in Ruby on Rails - CVE-2016-0751
Vulnerability identifier: #VU8585
Vulnerability risk: Low
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2016-0751
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Ruby on Rails
Universal components / Libraries /
Scripting languages
Vendor: Rails
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS). attack.
actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly restrict use of the MIME type cache, which allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP Accept header.
Mitigation
Update to version 3.2.22.1, 4.1.14.1 or 4.2.5.1.
Vulnerable software versions
Ruby on Rails: 3.1.0 rc1 - 3.1.12, 3.2.0 rc1 - 3.2.22, 4.0.0 rc1 - 4.0.13, 4.1.0 rc1 - 4.1.14, 4.2.0 rc2 - 4.2.5
External links
https:
The following updates are available:
Rails 3.2.22.1
Rails 4.1.14.1
Rails 4.2.5.1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
