Cisco Firepower Threat Defense Snort Detection Engine memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco Firepower Threat Defense. This vulnerability affects unknown code of the component Snort Detection Engine. Such manipulation leads to memory allocation. This vulnerability is uniquely identified as CVE-2022-20751. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Firepower Threat Defense (Firewall Software) (affected version not known). It has been rated as critical. Affected by this issue is some unknown functionality of the component Snort Detection Engine. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability.

The weakness was disclosed 05/03/2022 as cisco-sa-ftd-snort-dos-hd2hFgM. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2022-20751 since 11/02/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
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: 🔍

Timelineinfo

11/02/2021 🔍
05/03/2022 +181 days 🔍
05/03/2022 +0 days 🔍
05/05/2022 +2 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ftd-snort-dos-hd2hFgM
Status: Confirmed

CVE: CVE-2022-20751 (🔍)
GCVE (CVE): GCVE-0-2022-20751
GCVE (VulDB): GCVE-100-198872

Entryinfo

Created: 05/03/2022 07:29
Updated: 05/05/2022 12:09
Changes: 05/03/2022 07:29 (39), 05/05/2022 12:01 (1), 05/05/2022 12:09 (12)
Complete: 🔍
Cache ID: 216::103

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