Suricata 4.1.4 Fragmented Packet defrag.c Defrag4Reassemble header_len out-of-bounds read

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CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical has been found in Suricata 4.1.4. This affects the function Defrag4Reassemble of the file defrag.c of the component Fragmented Packet Handler. The manipulation of the argument header_len as part of a IPv4 Packet leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-125. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Suricata 4.1.4. By sending multiple fragmented IPv4 packets, the function Defrag4Reassemble in defrag.c tries to access a memory region that is not allocated, because of a lack of header_len checking.

The weakness was presented 09/24/2019. This vulnerability is uniquely identified as CVE-2019-16410 since 09/18/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See 142174 and 142172 for similar entries.

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VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 9.1
NVD Vector: 🔍

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

09/18/2019 🔍
09/24/2019 +6 days 🔍
09/25/2019 +1 days 🔍
09/06/2020 +347 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-16410 (🔍)
See also: 🔍

Entryinfoedit

Created: 09/25/2019 07:24 AM
Updated: 09/06/2020 04:00 PM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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