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githubGitHub Advisory DatabaseGHSA-6MQ2-37J5-W6R6
HistoryOct 24, 2017 - 6:33 p.m.

WEBrick Improper Input Validation vulnerability

2017-10-2418:33:38
CWE-20
GitHub Advisory Database
github.com
22

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.621 Medium

EPSS

Percentile

97.8%

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window’s title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.

CPENameOperatorVersion
webrickle1.3.1

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.621 Medium

EPSS

Percentile

97.8%