Possible Arbitrary XML Injection Vulnerability in BinaryXmlSerializer.java's attributeBytesBase64
CVE-2024-34740

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
15 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-34740?

An arbitrary XML injection vulnerability exists due to improper handling of input in the BinaryXmlSerializer.java component, specifically within the attributeBytesBase64 and attributeBytesHex methods. This vulnerability stems from an integer overflow issue that can allow attackers to exploit the system without requiring additional execution privileges or user interaction. Successful exploitation of this issue can facilitate local privilege escalation, potentially compromising system integrity and user data security.

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Affected Version(s)

Android 14

Android 13

Android 12L

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

AbxOverflow
Created by michalbednarski

References

https://android.googlesource.com/platform/frameworks/libs...
https://android.googlesource.com/platform/frameworks/base...
https://source.android.com/security/bulletin/2024-08-01

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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