Artifex MuPDF pdf/pdf-stream.c build_filter_chain PDF Document use after free

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Artifex MuPDF and classified as problematic. This affects the function build_filter_chain of the file pdf/pdf-stream.c. The manipulation as part of PDF Document results in use after free. This vulnerability is cataloged as CVE-2017-15369. The attack must be initiated from a local position. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Artifex MuPDF (Document Reader Software) (the affected version is unknown). Affected is the function build_filter_chain of the file pdf/pdf-stream.c. The manipulation as part of a PDF Document leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability. CVE summarizes:

The build_filter_chain function in pdf/pdf-stream.c in Artifex MuPDF before 2017-09-25 mishandles a certain case where a variable may reside in a register, which allows remote attackers to cause a denial of service (Fitz fz_drop_imp use-after-free and application crash) or possibly have unspecified other impact via a crafted PDF document.

The bug was discovered 10/11/2017. The weakness was shared 10/16/2017 as confirmed git commit (GIT Repository). The advisory is available at git.ghostscript.com. This vulnerability is traded as CVE-2017-15369 since 10/15/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105132 (Fedora 25 : mupdf (2017-9ae6e39bde)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170819 (OpenSUSE Security Update for mupdf (openSUSE-SU-2018:0227-1)).

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 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (105132). The entry VDB-112281 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: 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: 105132
Nessus Name: Fedora 25 : mupdf (2017-9ae6e39bde)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103089
OpenVAS Name: Fedora Update for mupdf FEDORA-2017-267f37c544
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: c2663e51238ec8256da7fc61ad580db891d9fe9a

Timelineinfo

10/11/2017 🔍
10/15/2017 +4 days 🔍
10/15/2017 +0 days 🔍
10/16/2017 +1 days 🔍
10/16/2017 +0 days 🔍
12/10/2017 +55 days 🔍
12/11/2017 +1 days 🔍
01/03/2023 +1849 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: FEDORA-2017-9ae6e39bde
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-15369 (🔍)
GCVE (CVE): GCVE-0-2017-15369
GCVE (VulDB): GCVE-100-107874
See also: 🔍

Entryinfo

Created: 10/16/2017 10:44
Updated: 01/03/2023 15:29
Changes: 10/16/2017 10:44 (77), 11/24/2019 19:33 (3), 01/03/2023 15:23 (4), 01/03/2023 15:29 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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