pdftools up to 20200714 analyze.cpp Analyze::AnalyzeRoot null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in pdftools up to 20200714. The impacted element is the function Analyze::AnalyzeRoot of the file analyze.cpp. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2021-39543. No exploit exists.

Detailsinfo

A vulnerability has been found in pdftools up to 20200714 and classified as problematic. This vulnerability affects the function Analyze::AnalyzeRoot of the file analyze.cpp. 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.

The weakness was disclosed 09/21/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-39543 since 08/23/2021. There are known technical details, but no exploit is available.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/21/2021 +29 days 🔍
09/21/2021 +0 days 🔍
09/29/2021 +8 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-39543 (🔍)
GCVE (CVE): GCVE-0-2021-39543
GCVE (VulDB): GCVE-100-182992

Entryinfo

Created: 09/21/2021 04:14
Updated: 09/29/2021 15:36
Changes: 09/21/2021 04:14 (37), 09/29/2021 15:30 (1), 09/29/2021 15:36 (18)
Complete: 🔍
Cache ID: 216::103

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