Artifex GSView 6.0 Beta on Windows PDF File memory corruption

Summaryinfo

A vulnerability marked as critical has been reported in Artifex GSView 6.0 Beta on Windows. This affects an unknown part of the component PDF File Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2017-14945. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Artifex GSView 6.0 Beta on Windows. This affects an unknown code of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Artifex GSView 6.0 Beta on Windows allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .pdf file, related to "Possible Stack Corruption starting at KERNELBASE!RaiseException+0x0000000000000068."

The bug was discovered 09/14/2017. The weakness was disclosed 09/30/2017 (Website). It is possible to read the advisory at bugs.ghostscript.com. This vulnerability is uniquely identified as CVE-2017-14945 since 09/29/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 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.

The entries VDB-107309 and VDB-107308 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Artifex

Name

• GSView

Version

• 6.0 Beta

License

• commercial

Website

• Vendor: https://artifex.com/

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