Foo Labs Xpdf up to 3.x DCT Decoder Stream.cc DCTStream::readHuffSym memory corruption

Summaryinfo

A vulnerability classified as critical has been found in Foo Labs Xpdf up to 3.x. This affects the function DCTStream::readHuffSym of the file Stream.cc of the component DCT Decoder. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-11033. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Foo Labs Xpdf up to 3.x (Document Reader Software). This affects the function DCTStream::readHuffSym of the file Stream.cc of the component DCT Decoder. 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:

The DCTStream::readHuffSym function in Stream.cc in the DCT decoder in xpdf before 4.00 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted JPEG data.

The bug was discovered 05/10/2018. The weakness was shared 05/14/2018 (Website). The advisory is shared at forum.xpdfreader.com. This vulnerability is uniquely identified as CVE-2018-11033 since 05/13/2018. 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 vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 232060 (Linux Distros Unpatched Vulnerability : CVE-2018-11033), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.00 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (232060). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Document Reader Software

Vendor

• Foo Labs

Name

• Xpdf

Version

• 3.x

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

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

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