Facebook mvfst QUIC Session assertion

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Facebook mvfst. Affected by this vulnerability is an unknown functionality of the component QUIC Session Handler. Executing a manipulation can lead to assertion. This vulnerability is tracked as CVE-2021-24029. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Facebook mvfst (Social Network Software) (affected version not known) and classified as problematic. This vulnerability affects some unknown functionality of the component QUIC Session Handler. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability.

The weakness was disclosed 03/16/2021. The advisory is shared for download at facebook.com. This vulnerability was named CVE-2021-24029. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/13/2021 🔍
03/16/2021 +62 days 🔍
03/16/2021 +0 days 🔍
04/01/2021 +16 days 🔍

Sourcesinfo

Advisory: facebook.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-24029 (🔍)
GCVE (CVE): GCVE-0-2021-24029
GCVE (VulDB): GCVE-100-171292

Entryinfo

Created: 03/16/2021 10:44
Updated: 04/01/2021 17:48
Changes: 03/16/2021 10:44 (37), 04/01/2021 17:46 (6), 04/01/2021 17:48 (18)
Complete: 🔍
Cache ID: 216::103

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