Stack Buffer Overflow in Cookie Parsing Causes DoS, RCE

Executive Summary

This vulnerability involves improper length handling when parsing multiple cookie fields, including TRACKID. An unauthenticated remote attacker can send oversized cookie values that trigger a stack buffer overflow.

This overflow can cause a denial-of-service condition and may also allow the attacker to execute remote code on the affected system.

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Impact Analysis

Exploitation of this vulnerability can lead to a denial-of-service condition, making the affected service unavailable.

More severely, it may allow remote attackers to execute arbitrary code on the system without authentication, potentially compromising system integrity, confidentiality, and availability.

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Compliance Impact

I don't know

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Detection Guidance

I don't know

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Mitigation Strategies

The CVE description indicates that the vulnerability is due to improper length handling of multiple cookie fields, leading to a stack buffer overflow. While no direct mitigation steps are provided in the context or resources, general immediate steps for such vulnerabilities include limiting or filtering oversized cookie values at the network perimeter or web server level, and applying any available patches or updates from the vendor.

Resource 1 mentions a related vulnerability in a similar device that is remediated by updating the firmware to version 02.65. Although it is for a different CVE, this suggests that checking for and applying firmware or software updates from the vendor is a recommended mitigation approach.

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