MuPDF 1.10a Image fitz/pixmap.c fz_subsample_pixmap out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in MuPDF 1.10a. This issue affects the function fz_subsample_pixmap of the file fitz/pixmap.c of the component Image Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2017-5896. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MuPDF 1.10a (Document Reader Software). It has been classified as critical. This affects the function fz_subsample_pixmap of the file fitz/pixmap.c of the component Image Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the fz_subsample_pixmap function in fitz/pixmap.c in MuPDF 1.10a allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted image.

The bug was discovered 02/15/2017. The weakness was published 02/15/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2017-5896 since 02/07/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 97255 (GLSA-201702-12 : 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 169760 (OpenSuSE Security Update for mupdf (openSUSE-SU-2017:0504-1)).

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 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97255) and SecurityFocus (BID 96139†). Similar entry is available at VDB-96279. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: 97255
Nessus Name: GLSA-201702-12 : MuPDF: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703797
OpenVAS Name: Debian Security Advisory DSA 3797-1 (mupdf - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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

02/06/2017 🔍
02/07/2017 +1 days 🔍
02/15/2017 +8 days 🔍
02/15/2017 +0 days 🔍
02/15/2017 +0 days 🔍
02/16/2017 +1 days 🔍
02/19/2017 +3 days 🔍
02/21/2017 +2 days 🔍
08/15/2020 +1271 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5896 (🔍)
GCVE (CVE): GCVE-0-2017-5896
GCVE (VulDB): GCVE-100-97035

OVAL: 🔍

SecurityFocus: 96139 - MuPDF 'fitz/pixmap.c' Heap Based Buffer Overflow Vulnerability
OSVDB: - CVE-2017-5896 - MuPDF - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/16/2017 09:08
Updated: 08/15/2020 11:14
Changes: 02/16/2017 09:08 (79), 08/15/2020 11:14 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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