A vulnerability, which was classified as problematic, has been found in Freeware Advanced Audio Decoder 2.8.8 (Audio Processing Software). Affected by this issue is the function sbrDecodeSingleFramePS of the file libfaad/sbr_dec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software 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 availability. CVE summarizes:

An invalid memory address dereference was discovered in the sbrDecodeSingleFramePS function of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.

The bug was discovered 12/17/2018. The weakness was released 12/22/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-20359 since 12/22/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 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.

Entries connected to this vulnerability are available at 128309, 128308, 128307 and 128305.

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Type

• Audio Processing Software

Name

• Freeware Advanced Audio Decoder

License

• free

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CPE 2.2info

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