CVE-2020-7679: Improperly Controlled Modification of Dynamically-Determined Object Attributes in casperjs
Summary
CVE-2020-7679: Improperly Controlled Modification of Dynamically-Determined Object Attributes in casperjs. Affects casperjs versions < 1.1.4. No fix is published. How to fix ↓
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Background
CasperJS is an open-source navigation scripting and testing utility for PhantomJS and SlimerJS. It provides a high-level API for automating web browsing activities, such as form submission, clicking links, and capturing screenshots. CasperJS is vulnerable to Prototype Pollution, specifically in the mergeObjects utility function.
Vulnerability Detail
The mergeObjects utility function in CasperJS is susceptible to Prototype Pollution. This vulnerability allows an attacker to modify the prototype of an object, leading to the modification of existing or creation of new properties and methods. By manipulating the prototype chain, an attacker can execute arbitrary code, escalate privileges, or cause denial of service. The impact of this vulnerability can be severe, depending on the context in which CasperJS is used.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update CasperJS to a version that includes a patch for the Prototype Pollution issue. The latest version of CasperJS at the time of writing is 1.1.4, which is not affected by this vulnerability. Upgrading to this version or any subsequent versions that address the issue will mitigate the risk.
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Workaround
There is no specific workaround provided for this vulnerability. It is crucial to update CasperJS to a patched version to ensure the security of the application.
Conclusion
In conclusion, CasperJS is vulnerable to Prototype Pollution in the mergeObjects utility function. This vulnerability can have severe consequences, including arbitrary code execution and privilege escalation. It is crucial to update CasperJS to a patched version, such as 1.1.4, to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
CasperJS is an open-source navigation scripting and testing utility for PhantomJS and SlimerJS. It provides a high-level API for automating web browsing activities.
Prototype Pollution is a vulnerability that allows an attacker to modify the prototype of an object, leading to the modification of existing or creation of new properties and methods.
The consequences of this vulnerability can vary depending on the context in which CasperJS is used. It can allow an attacker to execute arbitrary code, escalate privileges, or cause denial of service.
Yes, updating CasperJS to a version that includes a patch for the Prototype Pollution issue will fix this vulnerability. The latest version, 1.1.4, is not affected by this vulnerability.
For more information about CasperJS and this vulnerability, you can refer to the official documentation and the advisory provided by the GitHub Security Advisory Database.
References
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