Information disclosure in Sinatra - CVE-2018-1000119

Vulnerability identifier: #VU11074

CSH Severity: Low

CVSS v4: 6.9 [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]

CVE-ID: CVE-2018-1000119

CWE-ID: CWE-208

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Sinatra
Debian Linux
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power

Update to versions 1.5.5 or 2.0.0.

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

• Information disclosure in Sinatra
• Red Hat update for pcs
• Debian update for ruby-rack-protection