Suricata up to 5.0.7/6.0.3 TCP stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Suricata up to 5.0.7/6.0.3. Affected by this issue is some unknown functionality of the component TCP Handler. Performing a manipulation results in stack-based overflow. This vulnerability was named CVE-2021-37592. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Suricata up to 5.0.7/6.0.3. This affects an unknown code of the component TCP Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 11/19/2021 as 4569. It is possible to read the advisory at redmine.openinfosecfoundation.org. This vulnerability is uniquely identified as CVE-2021-37592 since 07/27/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.0.8 or 6.0.4 eliminates this vulnerability. The upgrade is hosted for download at forum.suricata.io.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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: Suricata 5.0.8/6.0.4

Timelineinfo

07/27/2021 🔍
11/19/2021 +115 days 🔍
11/19/2021 +0 days 🔍
11/22/2021 +3 days 🔍

Sourcesinfo

Advisory: 4569
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-37592 (🔍)
GCVE (CVE): GCVE-0-2021-37592
GCVE (VulDB): GCVE-100-187023

Entryinfo

Created: 11/19/2021 22:05
Updated: 11/22/2021 21:57
Changes: 11/19/2021 22:05 (40), 11/22/2021 21:57 (2)
Complete: 🔍
Cache ID: 216::103

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