Summaryinfo

A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.6. This affects the function nexttoken of the file parser.c. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2019-16166. The attack is possible to be carried out remotely. No exploit exists. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in GNU cflow up to 1.6 and classified as critical. Affected by this vulnerability is the function nexttoken of the file parser.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

GNU cflow through 1.6 has a heap-based buffer over-read in the nexttoken function in parser.c.

The weakness was disclosed 09/09/2019. This vulnerability is known as CVE-2019-16166 since 09/09/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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.

The entry VDB-141456 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• GNU

Name

• cflow

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6

License

• open-source

Website

• Vendor: https://www.gnu.org/

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