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CVE-2015-4640

2.9 · LOW

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 atta…

Published Jun 19, 2015swiftkeyCWE-254EPSS 0.95%

Overview

CVE-2015-4640 is a low-severity vulnerability affecting swiftkey swiftkey_sdk. It was published on June 19, 2015 and has a CVSS 2.0 base score of 2.9 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.9, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from swiftkey. Update swiftkey_sdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarstechnica.com/security/2015/06/new-exploit-turns-samsung-galaxy-phones-into-remote-bugging-devices/Refwww.kb.cert.org/vuls/id/155412Refwww.securityfocus.com/bid/75347GitHubgithub.com/nowsecure/samsung-ime-rce-poc/Refwww.nowsecure.com/blog/2015/06/16/remote-code-execution-as-system-user-on-samsung-phones/Refwww.nowsecure.com/keyboard-vulnerability/Refarstechnica.com/security/2015/06/new-exploit-turns-samsung-galaxy-phones-into-remote-bugging-devices/Refwww.kb.cert.org/vuls/id/155412Refwww.securityfocus.com/bid/75347GitHubgithub.com/nowsecure/samsung-ime-rce-poc/

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4640?

CVE-2015-4640 is a low-severity vulnerability affecting swiftkey swiftkey_sdk. It was published on June 19, 2015 and has a CVSS 2.0 base score of 2.9 (LOW).

How severe is CVE-2015-4640?

This vulnerability has a CVSS 2.0 base score of 2.9, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-4640?

Check the references section for vendor advisories and patches from swiftkey. Update swiftkey_sdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-4640?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4640 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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