libyal Libpff prior 20180623 pff File libpff_item_tree_create_node use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.04

A vulnerability was found in libyal Libpff. It has been rated as problematic. This issue affects the function libpff_item_tree_create_node of the component pff File Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was published 08/20/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-18897. Technical details are known, but no exploit is available.

Upgrading to version 20180623 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Libpff 20180623

Timelineinfo

06/23/2018 🔍
08/13/2020 +782 days 🔍
08/20/2021 +372 days 🔍
08/20/2021 +0 days 🔍
08/25/2021 +5 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-18897 (🔍)

Entryinfo

Created: 08/20/2021 07:17
Updated: 08/25/2021 09:15
Changes: 08/20/2021 07:17 (39), 08/25/2021 09:12 (2), 08/25/2021 09:15 (18)
Complete: 🔍
Cache ID: 3:172:103

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