Proxygen prior v2020.05.18.00 Lifetime Management Request 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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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Proxygen. Impacted is an unknown function of the component Lifetime Management. This manipulation as part of Request causes use after free. This vulnerability appears as CVE-2020-1897. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

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 use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

Physical: No
Local: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Proxygen v2020.05.18.00

Timelineinfo

12/02/2019 🔍
05/18/2020 +168 days 🔍
05/19/2020 +1 days 🔍
10/18/2020 +152 days 🔍

Sourcesinfo

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

CVE: CVE-2020-1897 (🔍)
GCVE (CVE): GCVE-0-2020-1897
GCVE (VulDB): GCVE-100-155413

Entryinfo

Created: 05/19/2020 08:12
Updated: 10/18/2020 17:28
Changes: 05/19/2020 08:12 (38), 05/19/2020 08:17 (18), 10/18/2020 17:28 (1)
Complete: 🔍
Cache ID: 216::103

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