MuPDF PDF File pdf/pdf-xref.c pdf_load_xref use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in MuPDF and classified as problematic. This affects the function pdf_load_xref of the file pdf/pdf-xref.c of the component PDF File Handler. This manipulation causes use after free. This vulnerability is registered as CVE-2016-6265. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in MuPDF (Document Reader Software) (the affected version unknown) and classified as problematic. Affected by this vulnerability is the function pdf_load_xref of the file pdf/pdf-xref.c of the component PDF File Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:

Use-after-free vulnerability in the pdf_load_xref function in pdf/pdf-xref.c in MuPDF allows remote attackers to cause a denial of service (crash) via a crafted PDF file.

The weakness was published 09/22/2016 by Marco Grassi (Website). The advisory is shared at bugs.ghostscript.com. This vulnerability is known as CVE-2016-6265 since 07/21/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 93985 (FreeBSD : mupdf -- multiple vulnerabilities (47157c14-9013-11e6-a590-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175819 (Debian Security Update for mupdf (DSA 3655-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (93985) and SecurityFocus (BID 92071†). Similar entry is available at VDB-91892. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 93985
Nessus Name: FreeBSD : mupdf -- multiple vulnerabilities (47157c14-9013-11e6-a590-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703655
OpenVAS Name: Debian Security Advisory DSA 3655-1 (mupdf - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: fa1936405b6a84e5c9bb440912c23d532772f958

Timelineinfo

07/21/2016 🔍
07/21/2016 +0 days 🔍
09/22/2016 +63 days 🔍
09/22/2016 +0 days 🔍
09/23/2016 +1 days 🔍
10/12/2016 +19 days 🔍
10/12/2016 +0 days 🔍
09/20/2022 +2169 days 🔍

Sourcesinfo

Advisory: bugs.ghostscript.com
Researcher: Marco Grassi
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6265 (🔍)
GCVE (CVE): GCVE-0-2016-6265
GCVE (VulDB): GCVE-100-91885

OVAL: 🔍

SecurityFocus: 92071 - MuPDF CVE-2016-6265 Use After Free Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/23/2016 09:25
Updated: 09/20/2022 09:16
Changes: 09/23/2016 09:25 (66), 04/23/2019 23:42 (15), 09/20/2022 09:16 (4)
Complete: 🔍
Cache ID: 216:5DE:103

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