CVE-2018-20998: Memory Corruption in arrayfire crate before 3.6.0 for Rust
Summary
PYSEC-2019-144: An issue was discovered in the arrayfire crate before 3.6.0 for Rust. Addition of the repr() attribute to an enum is mishandled, leading to memory corruption. Affects arrayfire versions < 3.6.0. Fixed in 3.6.0. How to fix ↓
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Background
The arrayfire crate is a Rust library that provides a high-level interface for numerical computations on GPUs. It allows developers to leverage the power of parallel processing on GPUs for tasks such as array manipulation, linear algebra, and image processing. The vulnerability affects versions of the arrayfire crate prior to 3.6.0.
Vulnerability Detail
The vulnerability (CVE-2018-20998) in the arrayfire crate arises from mishandling the addition of the repr() attribute to an enum. This mishandling leads to memory corruption, which can have severe consequences for the stability and security of applications that rely on the affected versions of the crate. Attackers may be able to exploit this vulnerability to execute arbitrary code or cause denial of service.
How To Fix
Minimum fixed version
3.6.0
This is the first release that contains the fix.
pip install --upgrade "arrayfire==3.6.0"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. However, developers can consider implementing additional security measures such as input validation and sanitization to mitigate the risk of exploitation.
Conclusion
The vulnerability (CVE-2018-20998) in the arrayfire crate before version 3.6.0 for Rust can result in memory corruption, potentially leading to arbitrary code execution or denial of service. It is crucial to update the arrayfire crate to version 3.6.0 or later to mitigate the risk. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to memory corruption, which may allow attackers to execute arbitrary code or cause denial of service.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file and Vulert will analyze it for any open-source vulnerabilities, including this one.
There are no known public exploits for this vulnerability at the time of this report. However, it is important to promptly update the arrayfire crate to the fixed version to mitigate the risk of potential exploitation.
It is not recommended to manually patch the vulnerability without updating the crate. The fixes provided in version 3.6.0 address the underlying memory corruption issue and ensure the stability and security of the library. Manually patching the vulnerability may introduce unforeseen issues and is not a recommended approach.
You can refer to the official advisory database for arrayfire (https://github.com/pypa/advisory-database/blob/main/vulns/arrayfire/PYSEC-2019-144.yaml) for more detailed information about this vulnerability.
References
Related vulnerabilities
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