A vulnerability, which was classified as critical, has been found in Green Hills INTEGRITY RTOS 5.0.4. Affected by this issue is an unknown function of the component Interpeak IPWEBS. The manipulation as part of a HTTP Header leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Interpeak IPWEBS on Green Hills INTEGRITY RTOS 5.0.4. It allocates 60 bytes for the HTTP Authentication header. However, when copying this header to parse, it does not check the size of the header, leading to a stack-based buffer overflow.

The bug was discovered 02/10/2019. The weakness was published 03/26/2019. This vulnerability is handled as CVE-2019-7714 since 02/10/2019. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 44 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 132231, 132229, 132228 and 132227.

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• Green Hills

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• INTEGRITY RTOS

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• 5.0.4

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