EmbedThis Appweb up to 5.2.1 x=/ null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in EmbedThis Appweb up to 5.2.1. It has been classified as problematic. This affects an unknown part. This manipulation of the argument x=/ causes null pointer dereference. This vulnerability is tracked as CVE-2014-9708. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in EmbedThis Appweb up to 5.2.1. It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation of the argument x=/ with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

Embedthis Appweb before 4.6.6 and 5.x before 5.2.1 allows remote attackers to cause a denial of service (NULL pointer dereference) via a Range header with an empty value, as demonstrated by "Range: x=,".

The weakness was disclosed 03/31/2015 by Matthew Daley (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2014-9708 since 03/23/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 96314 (Palo Alto Networks PAN-OS Management Interface Remote DoS (PAN-SA-2016-0027)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service and running in the context r.

Upgrading to version 4.6.6 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96314) and SecurityFocus (BID 73407†). The entries VDB-92714 and VDB-90005 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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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Nessus ID: 96314
Nessus Name: Palo Alto Networks PAN-OS Management Interface Remote DoS (PAN-SA-2016-0027)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100711
OpenVAS Name: Embedthis Appweb Web Server Remote Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Appweb 4.6.6
Patch: github.com

Timelineinfo

03/23/2015 🔍
03/28/2015 +5 days 🔍
03/31/2015 +3 days 🔍
03/31/2015 +0 days 🔍
04/01/2015 +1 days 🔍
10/31/2016 +579 days 🔍
01/05/2017 +66 days 🔍
05/02/2022 +1943 days 🔍

Sourcesinfo

Product: github.com

Advisory: 131157
Researcher: Matthew Daley
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9708 (🔍)
GCVE (CVE): GCVE-0-2014-9708
GCVE (VulDB): GCVE-100-74527
SecurityFocus: 73407 - Appweb CVE-2014-9708 Null Pointer Deference Denial of Service Vulnerability
SecurityTracker: 1037007

See also: 🔍

Entryinfo

Created: 04/01/2015 15:04
Updated: 05/02/2022 09:45
Changes: 04/01/2015 15:04 (42), 04/15/2018 09:22 (27), 05/02/2022 09:45 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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