VDB-131542 · CVE-2019-9656 · ID 22

LibOFX 0.9.14 lib/ofx_sgml.cpp startElement null pointer dereference

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in LibOFX 0.9.14. This issue affects the function OFXApplication::startElement in the library lib/ofx_sgml.cpp. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2019-9656. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in LibOFX 0.9.14. It has been declared as problematic. This vulnerability affects the function OFXApplication::startElement in the library lib/ofx_sgml.cpp. The manipulation 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. CVE summarizes:

An issue was discovered in LibOFX 0.9.14. There is a NULL pointer dereference in the function OFXApplication::startElement in the file lib/ofx_sgml.cpp, as demonstrated by ofxdump.

The bug was discovered 03/06/2019. The weakness was disclosed 03/11/2019 (Website). The advisory is available at lists.debian.org. This vulnerability was named CVE-2019-9656 since 03/10/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details 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.

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

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Productinfo

Name

LibOFX

Version

0.9.14

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 8.8
NVD Vector: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/06/2019 🔍
03/10/2019 +4 days 🔍
03/11/2019 +1 days 🔍
03/11/2019 +0 days 🔍
07/31/2023 +1603 days 🔍

Sourcesinfo

Advisory: 22
Status: Not defined

CVE: CVE-2019-9656 (🔍)
GCVE (CVE): GCVE-0-2019-9656
GCVE (VulDB): GCVE-100-131542

Entryinfo

Created: 03/11/2019 15:58
Updated: 07/31/2023 09:38
Changes: 03/11/2019 15:58 (54), 05/15/2020 10:50 (2), 07/31/2023 09:34 (3), 07/31/2023 09:38 (1)
Complete: 🔍
Cache ID: 216::103