SolarWinds Serv-U up to 15.1.6 /Web%20Client/ null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in SolarWinds Serv-U up to 15.1.6. It has been rated as problematic. This issue affects some unknown processing of the file /Web%20Client/. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2018-10241. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SolarWinds Serv-U up to 15.1.6 (File Transfer Software). This issue affects an unknown function of the file /Web%20Client/. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

A denial of service vulnerability in SolarWinds Serv-U before 15.1.6 HFv1 allows an authenticated user to crash the application (with a NULL pointer dereference) via a specially crafted URL beginning with the /Web%20Client/ substring.

The bug was discovered 05/11/2018. The weakness was presented 05/16/2018 (Website). It is possible to read the advisory at bishopfox.com. The identification of this vulnerability is CVE-2018-10241 since 04/20/2018. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 15.1.6 HFv1 eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Null pointer dereference
CWE: CWE-476 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Serv-U 15.1.6 HFv1

Timelineinfo

04/20/2018 🔍
05/11/2018 +21 days 🔍
05/16/2018 +4 days 🔍
05/16/2018 +0 days 🔍
05/16/2018 +0 days 🔍
02/06/2020 +631 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: bishopfox.com
Status: Not defined

CVE: CVE-2018-10241 (🔍)
GCVE (CVE): GCVE-0-2018-10241
GCVE (VulDB): GCVE-100-117803

Entryinfo

Created: 05/16/2018 22:19
Updated: 02/06/2020 06:43
Changes: 05/16/2018 22:19 (59), 02/06/2020 06:43 (1)
Complete: 🔍
Cache ID: 216::103

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