CVE-2015-2234

CVSS V2 Medium 6.9 CVSS V3 None

Description

Race condition in Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses world-writable permissions for the update files directory, which allows local users to gain privileges by writing to an update file after the signature is validated.

Overview

CVE ID
CVE-2015-2234

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2015-05-12T19:59:15

Last Modified Date
2017-01-03T02:59:52

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:lenovo:system_update::::::::	1	OR		5.06.0027

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

References

Reference URL	Reference Tags
http://support.lenovo.com/us/en/product_security/lsu_privilege	Vendor Advisory
http://securitytracker.com/id/1032268
http://www.ioactive.com/pdfs/Lenovo_System_Update_Multiple_Privilege_Escalations.pdf
http://www.securityfocus.com/bid/74634

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2015-2234
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2234

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 09:52:17				Added to TrackCVE
2022-12-02 04:34:50	2015-05-12T19:59Z	2015-05-12T19:59:15	CVE Published Date	updated
2022-12-02 04:34:50		2017-01-03T02:59:52	CVE Modified Date	updated
2022-12-02 04:34:50		Modified	Vulnerability Status	updated