Suricata up to 4.1.3 SSHParseBanner Newline integer underflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Suricata up to 4.1.3. This vulnerability affects the function SSHParseBanner. This manipulation as part of Newline causes integer underflow. This vulnerability is registered as CVE-2019-10053. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Suricata up to 4.1.3. It has been declared as critical. Affected by this vulnerability is the function SSHParseBanner. The manipulation as part of a Newline leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow.

The weakness was published 05/13/2019. This vulnerability is known as CVE-2019-10053 since 03/25/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 4.1.4 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
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 4.1.4

Timelineinfo

03/25/2019 🔍
05/13/2019 +49 days 🔍
05/14/2019 +1 days 🔍
09/17/2023 +1587 days 🔍

Sourcesinfo

Advisory: lists.openinfosecfoundation.org
Status: Not defined

CVE: CVE-2019-10053 (🔍)
GCVE (CVE): GCVE-0-2019-10053
GCVE (VulDB): GCVE-100-134665

Entryinfo

Created: 05/14/2019 11:22
Updated: 09/17/2023 09:33
Changes: 05/14/2019 11:22 (37), 06/09/2020 14:36 (17), 09/17/2023 09:33 (4)
Complete: 🔍
Cache ID: 216::103

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