MuPDF up to 1.12.0 PDF Parser input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in MuPDF up to 1.12.0 and classified as problematic. This affects an unknown part of the component PDF Parser. The manipulation results in input validation. This vulnerability is cataloged as CVE-2018-1000037. The attack must be initiated from a local position. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MuPDF up to 1.12.0 (Document Reader Software). Affected is an unknown code of the component PDF Parser. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

In MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

The bug was discovered 01/24/2018. The weakness was shared 05/24/2018 as confirmed git commit (GIT Repository). The advisory is shared for download at git.ghostscript.com. This vulnerability is traded as CVE-2018-1000037 since 02/02/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 120 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176524 (Debian Security Update for mupdf (DSA 4334-1)).

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 databases at Tenable (119160) and SecurityFocus (BID 102823†). The entries VDB-111061, VDB-111873, VDB-112376 and VDB-112414 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119160
Nessus Name: GLSA-201811-15 : MuPDF: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.ghostscript.com

Timelineinfo

01/24/2018 🔍
01/24/2018 +0 days 🔍
02/02/2018 +9 days 🔍
05/24/2018 +110 days 🔍
05/24/2018 +0 days 🔍
05/25/2018 +1 days 🔍
11/26/2018 +185 days 🔍
11/27/2018 +1 days 🔍
07/12/2024 +2054 days 🔍

Sourcesinfo

Advisory: git.ghostscript.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1000037 (🔍)
GCVE (CVE): GCVE-0-2018-1000037
GCVE (VulDB): GCVE-100-118164

OVAL: 🔍

SecurityFocus: 102823 - Artifex MuPDF CVE-2018-6187 Heap Based Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 05/25/2018 08:36
Updated: 07/12/2024 15:37
Changes: 05/25/2018 08:36 (69), 02/08/2020 15:20 (13), 07/12/2024 15:37 (28)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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