Unrated severityNVD Advisory· Published Jul 9, 2013· Updated Jun 16, 2026
CVE-2013-4787
CVE-2013-4787
Description
Android 1.6 Donut through 4.2 Jelly Bean does not properly check cryptographic signatures for applications, which allows attackers to execute arbitrary code via an application package file (APK) that is modified in a way that does not violate the cryptographic signature, probably involving multiple entries in a Zip file with the same name in which one entry is validated but the other entry is installed, aka Android security bug 8219321 and the "Master Key" vulnerability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
34cpe:2.3:o:google:android:1.6:*:*:*:*:*:*:*+ 33 more
- cpe:2.3:o:google:android:1.6:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.2:rev1:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.5:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.6:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3.7:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:2.3:rev1:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.2.4:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.2.6:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*
- (no CPE)range: 1.6 - 4.2
Patches
Vulnerability mechanics
References
7- bluebox.com/corporate-blog/bluebox-uncovers-android-master-key/nvd
- review.cyanogenmod.orgnvd
- www.osvdb.org/94773nvd
- www.securityfocus.com/bid/60952nvd
- www.zdnet.com/google-releases-fix-to-oems-for-blue-security-android-security-hole-7000017782/nvd
- jira.cyanogenmod.org/browse/CYAN-1602nvd
- plus.google.com/113331808607528811927/posts/GxDA6111vYynvd
News mentions
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