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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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in MuPDF up to 1.12.0. It has been rated as critical. Impacted is an unknown function of the component PDF Parser. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2018-1000040. The attack requires a local approach. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in MuPDF up to 1.12.0 (Document Reader Software). It has been classified as critical. This affects an unknown function 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 confidentiality, integrity, and availability. The summary by CVE is:

In MuPDF 1.12.0 and earlier, multiple use of uninitialized value bugs in the PDF parser could allow an attacker to cause a denial of service (crash) or influence program flow via a crafted file.

The bug was discovered 01/23/2018. The weakness was disclosed 05/24/2018 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.ghostscript.com. This vulnerability is uniquely identified as CVE-2018-1000040 since 02/02/2018. 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. 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 121 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 pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍
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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

01/23/2018 🔍
01/24/2018 +1 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-2018-1000040 (🔍)
GCVE (CVE): GCVE-0-2018-1000040
GCVE (VulDB): GCVE-100-118167

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 05/25/2018 08:38
Updated: 07/12/2024 15:37
Changes: 05/25/2018 08:38 (70), 02/08/2020 15:26 (13), 07/12/2024 15:37 (27)
Complete: 🔍
Cache ID: 216::103

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