CVE-2016-2427

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Summary

CVECVE-2016-2427
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-18 00:59:00 UTC
Updated2023-11-07 02:31:00 UTC
Description** DISPUTED ** The AES-GCM specification in RFC 5084, as used in Android 5.x and 6.x, recommends 12 octets for the aes-ICVlen parameter field, which might make it easier for attackers to defeat a cryptographic protection mechanism and discover an authentication key via a crafted application, aka internal bug 26234568. NOTE: The vendor disputes the existence of this potential issue in Android, stating "This CVE was raised in error: it referred to the authentication tag size in GCM, whose default according to ASN.1 encoding (12 bytes) can lead to vulnerabilities. After careful consideration, it was decided that the insecure default value of 12 bytes was a default only for the encoding and not default anywhere else in Android, and hence no vulnerability existed."

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bouncycastle Legion-of-the-bouncy-castle-java-crytography-api 1.54 All All All
Application Bouncycastle Legion-of-the-bouncy-castle-java-crytography-api 1.54 All All All
Operating System Google Android 5.0 All All All
Operating System Google Android 5.0.1 All All All
Operating System Google Android 5.1 All All All
Operating System Google Android 5.1.0 All All All
Operating System Google Android 6.0 All All All
Operating System Google Android 6.0.1 All All All
Operating System Google Android 5.0 All All All
Operating System Google Android 5.0.1 All All All
Operating System Google Android 5.1 All All All
Operating System Google Android 5.1.0 All All All
Operating System Google Android 6.0 All All All
Operating System Google Android 6.0.1 All All All

References

ReferenceSourceLinkTags
Nexus Security Bulletin—April 2016 | Android Open Source Project CONFIRM source.android.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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