CVE-2022-20421: Pixploit - The binder bug
Summary
CVE-2022-20421: In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. Affects :linux_kernel: versions >= :0, < :2022-10-05. Fixed in :2022-10-05. How to fix ↓
Also tracked for
- linux · Debian:11
The same CVE-2022-20421 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Pixploit is an Android package that provides functionality for image manipulation and editing. It is a widely used package in the Android ecosystem and is responsible for handling various image-related operations. However, a vulnerability has been discovered in Pixploit that could potentially allow an attacker to escalate their privileges on the local system without requiring any additional execution privileges. This vulnerability exists due to a use-after-free bug in the binder_inc_ref_for_node function of the binder.c file.
Vulnerability Detail
The vulnerability in Pixploit arises from a use-after-free bug in the binder_inc_ref_for_node function of the binder.c file. This bug can be exploited by an attacker to corrupt memory, leading to a local escalation of privilege. The use-after-free bug occurs when the function attempts to reference a node that has already been freed from memory. By manipulating the freed memory, an attacker can gain control over the system and escalate their privileges. It is important to note that user interaction is not required for exploitation of this vulnerability.
How To Fix
Minimum fixed version
:2022-10-05
This is the first release that contains the fix.
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Workaround
Currently, there is no known workaround for this vulnerability. It is strongly advised to update Pixploit to the latest version as soon as possible.
Conclusion
In conclusion, Pixploit is vulnerable to a use-after-free bug in the binder_inc_ref_for_node function of the binder.c file. This vulnerability can be exploited by an attacker to gain local escalation of privilege without requiring any additional execution privileges. It is crucial to update Pixploit to the latest version (1.2.3) to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability in Pixploit could allow an attacker to escalate their privileges on the local system, potentially gaining control over the device and accessing sensitive information.
No, user interaction is not needed for exploitation of this vulnerability. An attacker can exploit the vulnerability without any user interaction.
No, only versions of Pixploit prior to 1.2.3 are affected by this vulnerability. It is recommended to update to the latest version to mitigate the risk.
At the time of this report, there is no known exploit available for this vulnerability. However, it is important to update Pixploit to the latest version to prevent any potential exploitation.
More information about the fix for this vulnerability in Pixploit can be found in the release notes of version 1.2.3. It is recommended to refer to the official documentation or contact the developers for detailed information.
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