Yabasic 2.86.2 Basic Source Code function.c myformat out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Yabasic 2.86.2. The affected element is the function myformat of the file function.c of the component Basic Source Code Handler. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2019-19796. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Yabasic 2.86.2. This issue affects the function myformat of the file function.c of the component Basic Source Code Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Yabasic 2.86.2 has a heap-based buffer overflow in myformat in function.c via a crafted BASIC source file.

The weakness was disclosed 12/13/2019. The identification of this vulnerability is CVE-2019-19796 since 12/13/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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

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Productinfo

Name

• Yabasic

Version

• 2.86.2

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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