Artifex MuPDF 1.12.0 PDF File pdf/pdf-xref.c ensure_solid_xref memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Artifex MuPDF 1.12.0. This issue affects the function ensure_solid_xref of the file pdf/pdf-xref.c of the component PDF File Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2017-17858. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Artifex MuPDF 1.12.0 (Document Reader Software). It has been classified as critical. This affects the function ensure_solid_xref of the file pdf/pdf-xref.c of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.

The bug was discovered 12/22/2017. The weakness was released 01/22/2018 (Website). The advisory is shared at git.ghostscript.com. This vulnerability is uniquely identified as CVE-2017-17858 since 12/22/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 31 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106358 (openSUSE Security Update : mupdf (openSUSE-2018-89)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170819 (OpenSUSE Security Update for mupdf (openSUSE-SU-2018:0227-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (106358). Entries connected to this vulnerability are available at VDB-107874 and VDB-111873. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 106358
Nessus Name: openSUSE Security Update : mupdf (openSUSE-2018-89)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860286
OpenVAS Name: Fedora Update for mupdf FEDORA-2018-7151603128
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: 55c3f68d638ac1263a386e0aaa004bb6e8bde731

Timelineinfo

12/22/2017 🔍
12/22/2017 +0 days 🔍
01/22/2018 +31 days 🔍
01/22/2018 +0 days 🔍
01/23/2018 +1 days 🔍
01/25/2018 +2 days 🔍
01/26/2018 +1 days 🔍
02/02/2023 +1833 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: git.ghostscript.com
Status: Not defined

CVE: CVE-2017-17858 (🔍)
GCVE (CVE): GCVE-0-2017-17858
GCVE (VulDB): GCVE-100-112281
See also: 🔍

Entryinfo

Created: 01/23/2018 07:59
Updated: 02/02/2023 11:17
Changes: 01/23/2018 07:59 (75), 12/26/2019 15:38 (3), 02/02/2023 11:17 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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