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
Published Jul 2, 2014
5.1
MEDIUMCVSS 2.0
EPSS 1.76%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.76% (0.01757) | 77.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.76% (0.01757) | 74.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.04% (0.01042) | 75.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00268) | 68.61th | v3 (v2023.03.01) |
| Jun 30, 2024 | 0.27% (0.00268) | 67.95th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00364) | 71.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00364) | 67.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.82% (0.01818) | 77.09th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.82% (0.01818) | 77.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.82% (0.01818) | 75.02th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.82% (0.01818) | 54.37th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.com/files/127185/Android-KeyStore-Stack-Buffer-Overflow.html x_refsource_MISC
- http://securityintelligence.com/android-keystore-stack-buffer-overflow-to-keep-things-simple-buffers-are-always-larger-than-needed/ x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/532527/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/68152 vdb-entryx_refsource_BID
- http://www.slideshare.net/ibmsecurity/android-keystorestackbufferoverflow x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/127185/Android-KeyStore-Stack-Buffer-Overflow.html | x_refsource_MISC | |
| http://securityintelligence.com/android-keystore-stack-buffer-overflow-to-keep-things-simple-buffers-are-always-larger-than-needed/ | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/532527/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/68152 | vdb-entryx_refsource_BID | |
| http://www.slideshare.net/ibmsecurity/android-keystorestackbufferoverflow | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.