Openinfosecfoundation Suricata up to 2.0.3-2 app-layer-ssh.c SSHParseBanner resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Openinfosecfoundation Suricata up to 2.0.3-2. It has been declared as problematic. Impacted is the function SSHParseBanner of the file app-layer-ssh.c. The manipulation results in resource management. This vulnerability was named CVE-2014-6603. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Openinfosecfoundation Suricata up to 2.0.3-2. Affected is the function SSHParseBanner of the file app-layer-ssh.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The SSHParseBanner function in SSH parser (app-layer-ssh.c) in Suricata before 2.0.4 allows remote attackers to bypass SSH rules, cause a denial of service (crash), or possibly have unspecified other impact via a crafted banner, which triggers a large memory allocation or an out-of-bounds write.

The weakness was presented 10/07/2014 by Steffen Bauch (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2014-6603 since 09/18/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 77997 (Fedora 21 : suricata-2.0.4-1.fc21 (2014-11302)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123251 (Fedora Security Update for suricata (FEDORA-2015-0792)).

Upgrading to version 2.0.2-2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (96157), Tenable (77997), SecurityFocus (BID 70083†) and Vulnerability Center (SBV-46421†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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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Nessus ID: 77997
Nessus Name: Fedora 21 : suricata-2.0.4-1.fc21 (2014-11302)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867280
OpenVAS Name: Fedora Update for suricata FEDORA-2014-11462
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Suricata 2.0.2-2

Timelineinfo

09/18/2014 🔍
09/23/2014 +5 days 🔍
09/23/2014 +0 days 🔍
10/01/2014 +8 days 🔍
10/07/2014 +6 days 🔍
10/07/2014 +0 days 🔍
10/13/2014 +6 days 🔍
03/26/2015 +164 days 🔍
12/13/2024 +3550 days 🔍

Sourcesinfo

Advisory: 128382
Researcher: Steffen Bauch
Status: Confirmed

CVE: CVE-2014-6603 (🔍)
GCVE (CVE): GCVE-0-2014-6603
GCVE (VulDB): GCVE-100-71868
X-Force: 96157
SecurityFocus: 70083 - Suricata 'src/app-layer-ssh.c' Remote Denial of Service Vulnerability
Vulnerability Center: 46421 - Suricata Before 2.0.4 Remote Denial of Service via a Crafted Banner, Medium

Entryinfo

Created: 03/26/2015 16:14
Updated: 12/13/2024 23:35
Changes: 03/26/2015 16:14 (63), 04/06/2019 08:51 (8), 03/29/2022 21:52 (3), 03/29/2022 22:04 (1), 12/13/2024 23:35 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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