Poppler 0.72.0 PDF File PDFDoc.cc PDFDoc::setup input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in Poppler 0.72.0 (Document Reader Software) and classified as problematic. This issue affects the function PDFDoc::setup of the file PDFDoc.cc of the component PDF File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDFDoc::setup) by crafting a PDF file in which an xref data structure is mishandled during extractPDFSubtype processing.

The bug was discovered 12/31/2018. The weakness was disclosed 01/03/2019 (Website). It is possible to read the advisory at gitlab.freedesktop.org. The identification of this vulnerability is CVE-2018-20662 since 01/03/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277626 (Fedora Security Update for poppler (FEDORA-2019-387e017332)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries 126534, 130408, 131232 and 131526 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.freedesktop.org

Timelineinfo

12/31/2018 🔍
01/03/2019 +3 days 🔍
01/03/2019 +0 days 🔍
01/03/2019 +0 days 🔍
01/04/2019 +1 days 🔍
02/26/2019 +53 days 🔍
06/23/2023 +1578 days 🔍

Sourcesinfo

Advisory: RHSA-2019:2022
Status: Confirmed

CVE: CVE-2018-20662 (🔍)
SecurityFocus: 107172 - Poppler CVE-2019-9200 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 01/04/2019 12:32
Updated: 06/23/2023 08:12
Changes: 01/04/2019 12:32 (63), 05/26/2020 09:26 (3), 06/23/2023 08:12 (4)
Complete: 🔍

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