Published: 04/12/2023 Updated: 02/02/2024

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 0

In checkKeyIntentParceledCorrectly of AccountManagerService.java, there is a possible way to launch arbitrary activities using system privileges due to Parcel Mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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google android 13.0
google android 14.0

Writeup and exploit for CVE-2023-45777, bypass for Intent validation inside AccountManagerService on Android 13 despite "Lazy Bundle" mitigation

Mysterious patch Let's start this time with the patch that appeared as fix for CVE-2023-45777 in Android Security Bulletin: diff --git a/services/core/java/com/android/server/accounts/AccountManagerServicejava b/services/core/java/com/android/server/accounts/AccountManagerServicejava index 7a19d034c2c85238595fe2a2 100644 --- a/services/core/java/com/android/server/acco

NVD-CWE-noinfo https://source.android.com/security/bulletin/2023-12-01 https://android.googlesource.com/platform/frameworks/base/+/f810d81839af38ee121c446105ca67cb12992fc6 https://android.googlesource.com/platform/frameworks/base/+/f4644b55d36a549710ba35b6fb797ba744807da6 https://nvd.nist.gov https://github.com/michalbednarski/TheLastBundleMismatch

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CVE-2023-45777

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