Artifex MuPDF 1.14.0 fitz/font.c fz_run_t3_glyph out-of-bounds

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 Artifex MuPDF 1.14.0. It has been classified as critical. Affected by this vulnerability is the function fz_run_t3_glyph of the file fitz/font.c. The manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2018-18662. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Artifex MuPDF 1.14.0 (Document Reader Software) and classified as critical. This issue affects the function fz_run_t3_glyph of the file fitz/font.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.

The bug was discovered 10/26/2018. The weakness was published 10/26/2018 by FiSh (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2018-18662 since 10/26/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 120623 (Fedora 29 : mupdf (2018-93558de1ac)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (120623) and SecurityFocus (BID 105755†). Similar entries are available at VDB-123690 and VDB-123691. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 🔍
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Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 120623
Nessus Name: Fedora 29 : mupdf (2018-93558de1ac)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Timelineinfo

10/26/2018 🔍
10/26/2018 +0 days 🔍
10/26/2018 +0 days 🔍
10/26/2018 +0 days 🔍
10/26/2018 +0 days 🔍
10/27/2018 +1 days 🔍
11/17/2018 +21 days 🔍
01/03/2019 +47 days 🔍
09/12/2024 +2079 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2018-93558de1ac⛔
Researcher: FiSh
Status: Not defined

CVE: CVE-2018-18662 (🔍)
GCVE (CVE): GCVE-0-2018-18662
GCVE (VulDB): GCVE-100-126005
SecurityFocus: 105755 - Artifex MuPDF CVE-2018-18662 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/27/2018 18:30
Updated: 09/12/2024 20:08
Changes: 10/27/2018 18:30 (72), 04/06/2020 21:15 (6), 06/03/2023 09:36 (4), 06/03/2023 09:39 (1), 09/12/2024 20:08 (26)
Complete: 🔍
Cache ID: 216::103

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