Proxygen prior v2020.05.18.00 Lifetime Management Request use after free

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CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical was found in Proxygen (Firewall Software). Affected by this vulnerability is some unknown processing of the component Lifetime Management. The manipulation as part of a Request leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-416. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A use-after-free is possible due to an error in lifetime management in the request adaptor when a malicious client invokes request error handling in a specific sequence. This issue affects versions of proxygen prior to v2020.05.18.00.

The weakness was presented 05/18/2020 (Website). The advisory is shared at facebook.com. This vulnerability is known as CVE-2020-1897 since 12/02/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version v2020.05.18.00 eliminates this vulnerability.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Proxygen v2020.05.18.00

Timelineinfoedit

12/02/2019 CVE assigned
05/18/2020 +168 days Advisory disclosed
05/19/2020 +1 days VulDB entry created
10/18/2020 +152 days VulDB last update

Sourcesinfoedit

Advisory: facebook.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2020-1897 (🔒)

Entryinfoedit

Created: 05/19/2020 08:12 AM
Updated: 10/18/2020 05:28 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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