VDB-133127 · CVE-2019-11023 · ID 1517

Graphviz 2.39.20160612.1140 cgraph\obj.c agroot 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, which was classified as problematic, has been found in Graphviz 2.39.20160612.1140. Impacted is the function agroot of the file cgraph\obj.c. The manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2019-11023. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Graphviz 2.39.20160612.1140. It has been rated as problematic. This issue affects the function agroot of the file cgraph\obj.c. 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:

The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.

The bug was discovered 04/08/2019. The weakness was disclosed 04/08/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-11023 since 04/08/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 172468 (OpenSUSE Security Update for graphviz (openSUSE-SU-2019:1459-1)).

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

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

Productinfo

Name

Graphviz

Version

2.39.20160612.1140

CPE 2.3info

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CPE 2.2info

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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: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/08/2019 🔍
04/08/2019 +0 days 🔍
04/08/2019 +0 days 🔍
04/09/2019 +1 days 🔍
08/27/2023 +1601 days 🔍

Sourcesinfo

Advisory: 1517
Status: Not defined

CVE: CVE-2019-11023 (🔍)
GCVE (CVE): GCVE-0-2019-11023
GCVE (VulDB): GCVE-100-133127

Entryinfo

Created: 04/09/2019 08:17
Updated: 08/27/2023 12:59
Changes: 04/09/2019 08:17 (55), 05/27/2020 13:01 (2), 08/27/2023 12:51 (3), 08/27/2023 12:59 (1)
Complete: 🔍
Cache ID: 216::103