CVE-2014-3100

critical

Description

Stack-based buffer overflow in the encode_key function in /system/bin/keystore in the KeyStore service in Android 4.3 allows attackers to execute arbitrary code, and consequently obtain sensitive key information or bypass intended restrictions on cryptographic operations, via a long key name.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3121

http://www.slideshare.net/ibmsecurity/android-keystorestackbufferoverflow

http://www.securityfocus.com/bid/68152

http://www.securityfocus.com/archive/1/532527/100/0/threaded

http://securityintelligence.com/android-keystore-stack-buffer-overflow-to-keep-things-simple-buffers-are-always-larger-than-needed/

http://packetstormsecurity.com/files/127185/Android-KeyStore-Stack-Buffer-Overflow.html

Details

Source: Mitre, NVD

Published: 2014-07-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.01042