Suricata 4.0.4 SSH Banner Parser app-layer-ssh.c out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Suricata 4.0.4. It has been classified as critical. The affected element is an unknown function of the file app-layer-ssh.c of the component SSH Banner Parser. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2018-10242. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Suricata 4.0.4. It has been classified as critical. This affects an unknown code block of the file app-layer-ssh.c of the component SSH Banner Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.

The weakness was presented 04/04/2019 (Website). It is possible to read the advisory at suricata-ids.org. This vulnerability is uniquely identified as CVE-2018-10242 since 04/20/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 176857 (Debian Security Update for suricata (DLA 1751-1)).

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

See VDB-132964 and VDB-132965 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/20/2018 🔍
04/04/2019 +349 days 🔍
04/05/2019 +1 days 🔍
10/23/2024 +2028 days 🔍

Sourcesinfo

Advisory: DLA 1751-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10242 (🔍)
GCVE (CVE): GCVE-0-2018-10242
GCVE (VulDB): GCVE-100-132963
See also: 🔍

Entryinfo

Created: 04/05/2019 06:51
Updated: 10/23/2024 04:19
Changes: 04/05/2019 06:51 (60), 05/25/2020 16:24 (1), 08/25/2023 10:02 (3), 10/23/2024 04:19 (25)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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