VDB-101872 · CVE-2017-7511 · Qualys 196844

Poppler 0.17.3 pdfunite null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

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).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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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 (🔍)

Entryinfo

Created: 05/31/2017 08:16 AM
Updated: 12/07/2022 02:17 PM
Changes: 05/31/2017 08:16 AM (75), 05/25/2020 06:20 PM (3), 12/07/2022 02:17 PM (4)
Complete: 🔍
Cache ID: 3:02E:40

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