Poppler 0.17.3 pdfunite null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Poppler 0.17.3. Affected by this issue is some unknown functionality of the component pdfunite. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2017-7511. The attack is restricted to local execution. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Poppler 0.17.3 (Document Reader Software). This vulnerability affects an unknown functionality of the component pdfunite. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

poppler since version 0.17.3 has been vulnerable to NULL pointer dereference in pdfunite triggered by specially crafted documents.

The bug was discovered 04/23/2017. The weakness was disclosed 05/30/2017 as confirmed git commit (GIT Repository). The advisory is shared for download at cgit.freedesktop.org. This vulnerability was named CVE-2017-7511. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 37 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100729 (Fedora 25 : mingw-poppler (2017-0ee7b8dd2a)), which helps to determine the existence of the flaw in a target environment. It is running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196844 (Ubuntu Security Notification for Poppler Vulnerabilities (USN-3350-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100729). The entries VDB-101512, VDB-101944, VDB-102021 and VDB-102761 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 100729
Nessus Name: Fedora 25 : mingw-poppler (2017-0ee7b8dd2a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for poppler FEDORA-2017-690eedcf41
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: cgit.freedesktop.org

Timelineinfo

04/05/2017 🔍
04/23/2017 +17045 days 🔍
05/30/2017 +37 days 🔍
05/30/2017 +0 days 🔍
05/31/2017 +1 days 🔍
06/09/2017 +9 days 🔍
06/12/2017 +3 days 🔍
12/07/2022 +2004 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-0ee7b8dd2a
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7511 (🔍)
GCVE (CVE): GCVE-0-2017-7511
GCVE (VulDB): GCVE-100-101872
See also: 🔍

Entryinfo

Created: 05/31/2017 08:16
Updated: 12/07/2022 14:17
Changes: 05/31/2017 08:16 (75), 05/25/2020 18:20 (3), 12/07/2022 14:17 (4)
Complete: 🔍
Cache ID: 216:C22:103

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