stb_vorbis up to 2019-03-04 OGG Vorbis File compute_codewords memory corruption

Summaryinfo

A vulnerability was found in stb_vorbis up to 2019-03-04. It has been classified as critical. Affected is the function compute_codewords of the component OGG Vorbis File Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2019-13221. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in stb_vorbis up to 2019-03-04 and classified as critical. This issue affects the function compute_codewords of the component OGG Vorbis File Handler. The manipulation with an unknown input 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. The summary by CVE is:

A stack buffer overflow in the compute_codewords function in stb_vorbis through 2019-03-04 allows an attacker to cause a denial of service or execute arbitrary code by opening a crafted Ogg Vorbis file.

The weakness was disclosed 08/15/2019 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2019-13221 since 07/03/2019. 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.

The vulnerability scanner Nessus provides a plugin with the ID 214892 (openSUSE 15 Security Update : stb (openSUSE-SU-2025:0039-1)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (214892). The entries VDB-140113, VDB-140114, VDB-140115 and VDB-140116 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• stb_vorbis

Version

• 2019-03-04

License

• open-source

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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