Fizz 2019.01.28.00 Padding Handshake resource consumption

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CVSS Meta Temp Score
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6.4$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Fizz 2019.01.28.00. This issue affects an unknown functionality of the component Padding. The manipulation as part of a Handshake leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-400. Impacted is availability. The summary by CVE is:

A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resulting in memory exhaustion. This issue affects versions v2019.01.28.00 and above of fizz, until v2019.08.05.00.

The weakness was presented 08/20/2019 (Website). The advisory is shared at facebook.com. The identification of this vulnerability is CVE-2019-11924 since 05/13/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly 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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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Denial of service (CWE-400)
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Recommended: no mitigation known
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Timelineinfoedit

05/13/2019 🔍
08/20/2019 +99 days 🔍
08/21/2019 +1 days 🔍
08/01/2020 +346 days 🔍

Sourcesinfoedit

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

CVE: CVE-2019-11924 (🔍)

Entryinfoedit

Created: 08/21/2019 07:14 AM
Updated: 08/01/2020 11:56 AM
Changes: (1) advisory_confirm_url
Complete: 🔍

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