Artifex MuPDF 1.14 fz_load_jpeg Variable null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Artifex MuPDF 1.14 and classified as critical. Affected is the function fz_load_jpeg. The manipulation as part of Variable results in null pointer dereference. This vulnerability is identified as CVE-2019-7321. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Artifex MuPDF 1.14 (Document Reader Software). Affected is the function fz_load_jpeg. The manipulation as part of a Variable leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.

The weakness was released 06/13/2019. This vulnerability is traded as CVE-2019-7321 since 02/04/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/04/2019 🔍
06/13/2019 +129 days 🔍
06/14/2019 +1 days 🔍
07/18/2024 +1860 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: github.com
Status: Not defined

CVE: CVE-2019-7321 (🔍)
GCVE (CVE): GCVE-0-2019-7321
GCVE (VulDB): GCVE-100-136476

Entryinfo

Created: 06/14/2019 10:35
Updated: 07/18/2024 01:34
Changes: 06/14/2019 10:35 (36), 06/24/2020 10:35 (18), 10/05/2023 10:59 (3), 07/18/2024 01:34 (26)
Complete: 🔍
Cache ID: 216::103

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