VDB-79091 · CVE-2015-7770 · GCVE-0-2015-7770

Dell SonicWall TotalSecure TZ 100 up to 5.9.1.0 Packet input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Dell SonicWall TotalSecure TZ 100 up to 5.9.1.0. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Packet Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2015-7770. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Dell SonicWall TotalSecure TZ 100 up to 5.9.1.0 (Firewall Software). It has been rated as problematic. This issue affects an unknown code block of the component Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

Dell SonicWall TotalSecure TZ 100 devices with firmware before 5.9.1.0-22o allow remote attackers to cause a denial of service via a crafted packet.

The weakness was released 11/06/2015 (Website). It is possible to read the advisory at jvndb.jvn.jp. The identification of this vulnerability is CVE-2015-7770 since 10/09/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.9.1.0-22o eliminates this vulnerability.

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

Productinfo

Type

Firewall Software

Vendor

Dell

Name

SonicWall TotalSecure TZ 100

Version

License

commercial

Website

Vendor: https://www.dell.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SonicWall TotalSecure TZ 100 5.9.1.0-22o

Timelineinfo

10/09/2015 🔍
11/06/2015 +28 days 🔍
11/06/2015 +0 days 🔍
11/09/2015 +3 days 🔍
06/26/2022 +2421 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: jvndb.jvn.jp
Status: Not defined

CVE: CVE-2015-7770 (🔍)
GCVE (CVE): GCVE-0-2015-7770
GCVE (VulDB): GCVE-100-79091
SecurityTracker: 1034092

Entryinfo

Created: 11/09/2015 10:31
Updated: 06/26/2022 12:53
Changes: 11/09/2015 10:31 (42), 03/08/2018 08:24 (7), 06/26/2022 12:53 (3)
Complete: 🔍
Cache ID: 216::103