National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-4640 Detail

Current Description

The SwiftKey language-pack update implementation on Samsung Galaxy S4, S4 Mini, S5, and S6 devices relies on an HTTP connection to the skslm.swiftkey.net server, which allows man-in-the-middle attackers to write to language-pack files by modifying an HTTP response. NOTE: CVE-2015-4640 exploitation can be combined with CVE-2015-4641 exploitation for man-in-the-middle code execution.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 2.9 LOW
Vector: (AV:A/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 5.5


Access Vector (AV): Local_Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://arstechnica.com/security/2015/06/new-exploit-turns-samsung-galaxy-phones-into-remote-bugging-devices/ Exploit
http://www.kb.cert.org/vuls/id/155412 Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/75347
https://github.com/nowsecure/samsung-ime-rce-poc/ Exploit
https://www.nowsecure.com/blog/2015/06/16/remote-code-execution-as-system-user-on-samsung-phones/ Exploit
https://www.nowsecure.com/keyboard-vulnerability/ Exploit

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:swiftkey:swiftkey_sdk:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:samsung:galaxy_s4:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:samsung:galaxy_s4_mini:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:samsung:galaxy_s5:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:samsung:galaxy_s6:*:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-4640
NVD Published Date:
06/19/2015
NVD Last Modified:
12/07/2016