CVE-2017-17042

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

lib/yard/core_ext/file.rb in the server in YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct directory traversal attacks and read arbitrary files.

Overview

CVE ID
CVE-2017-17042

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2017-11-28T20:29:00

Last Modified Date
2017-12-20T20:58:34

Weakness Enumerations

CWE	URL
CWE-22	http://cwe.mitre.org/data/definitions/22.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:yardoc:yard::::::::	1	OR		0.9.11

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/lsegal/yard/commit/b0217b3e30dc53d057b1682506333335975e62b4	Patch

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-17042
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17042

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 18:54:51				Added to TrackCVE
2022-12-02 23:30:53	2017-11-28T20:29Z	2017-11-28T20:29:00	CVE Published Date	updated
2022-12-02 23:30:53		2017-12-20T20:58:34	CVE Modified Date	updated
2022-12-02 23:30:53		Analyzed	Vulnerability Status	updated