Summaryinfo

A vulnerability was found in MuPDF up to 1.12.0. It has been declared as problematic. This issue affects some unknown processing of the component PDF Parser. Such manipulation leads to use after free. This vulnerability is documented as CVE-2018-1000039. The attack needs to be performed locally. There is not any exploit available. It is best practice to apply a patch to resolve this issue. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in MuPDF up to 1.12.0 (Document Reader Software) and classified as problematic. Affected by this issue is some unknown processing of the component PDF Parser. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an attacker to execute arbitrary code, read memory, or cause a denial of service via a crafted file.

The bug was discovered 02/02/2018. The weakness was released 05/24/2018 as confirmed git commit (GIT Repository). The advisory is available at git.ghostscript.com. This vulnerability is handled as CVE-2018-1000039 since 02/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 111 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119160 (GLSA-201811-15 : MuPDF: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.ghostscript.com. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119160). Entries connected to this vulnerability are available at VDB-118163, VDB-118164, VDB-118165 and VDB-118167. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Document Reader Software

Name

• MuPDF

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12.0

CPE 2.3info

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CPE 2.2info

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