A vulnerability was found in Foo Labs Xpdf 4.01.01 (Document Reader Software). It has been classified as critical. This affects the function FoFiTrueType::dumpString of the file fofi/FoFiTrueType.cc. The manipulation as part of a PDF Document leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A stack-based buffer over-read exists in FoFiTrueType::dumpString in fofi/FoFiTrueType.cc in Xpdf 4.01.01. It can, for example, be triggered by sending crafted TrueType data in a PDF document to the pdftops tool. It might allow an attacker to cause Denial of Service or leak memory data into dump content.

The weakness was published 05/27/2019 (Website). The advisory is shared at lists.debian.org. This vulnerability is uniquely identified as CVE-2019-12360 since 05/27/2019. 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. Technical details are known, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 176987 (Debian Security Update for poppler (DLA 1815-1)).

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

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Type

• Document Reader Software

Vendor

• Foo Labs

Name

• Xpdf

Version

• 4.01.01

License

• open-source

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