libsixel 1.8.4 fromgif.c gif_init_frame out-of-bounds write

Summaryinfo

A vulnerability was found in libsixel 1.8.4. It has been declared as critical. Affected by this issue is the function gif_init_frame of the file fromgif.c. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2019-20094. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in libsixel 1.8.4 and classified as critical. This vulnerability affects the function gif_init_frame of the file fromgif.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_init_frame at fromgif.c.

The weakness was shared 12/30/2019. This vulnerability was named CVE-2019-20094 since 12/30/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• libsixel

Version

• 1.8.4

License

• open-source

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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