#VU11074 Information disclosure in Sinatra - CVE-2018-1000119

Vulnerability identifier: #VU11074

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000119

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sinatra
Web applications / Remote management & hosting panels

Vendor: Sinatra

Description
The vulnerability allows a remote unauthenticated attacker to obtain potentially sensitive information on the target system.

The weakness exists due to insufficient security restrictions. A remote attacker can conduct a timing attack and gain access to potentially sensitive information, such as signatures.

Mitigation
Update to versions 1.5.5 or 2.0.0.

Vulnerable software versions

Sinatra: 1.5.0 - 2.0.0 rc3

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External links
https://github.com/sinatra/rack-protection/pull/98
https://github.com/sinatra/sinatra/commit/8aa6c42ef724f93ae309fb7c5668e19ad547eceb#commitcomment-279...

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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.