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.
6.7	$0-$5k	0.00

A vulnerability classified as problematic was found in Graphviz 2.34.0. Affected by this vulnerability is the function yyerror in the library lib/cgraph/scan.l. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The bug was discovered 01/08/2014. The weakness was presented 08/07/2017 by Sebastian Krahmer as not defined mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2014-1235 since 01/08/2014. 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 was handled as a non-public zero-day exploit for at least 57 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 72944 (Amazon Linux AMI : graphviz (ALAS-2014-296)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350449 (Amazon Linux Security Advisory for graphviz: ALAS-2014-296).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (90198) and Tenable (72944). See 66036 for similar entry.

Productinfo

Name

• Graphviz

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

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: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

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

Nessus ID: 72944
Nessus Name: Amazon Linux AMI : graphviz (ALAS-2014-296)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2014-297
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/08/2014 🔍
01/08/2014 +0 days 🔍
01/09/2014 +1 days 🔍
03/06/2014 +56 days 🔍
03/12/2014 +6 days 🔍
08/07/2017 +1244 days 🔍
08/07/2017 +0 days 🔍
08/08/2017 +1 days 🔍
12/15/2022 +1955 days 🔍

Sourcesinfo

Advisory: d266bb2b4154d11c27252b56d86963aef4434750
Researcher: Sebastian Krahmer
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-1235 (🔍)
OVAL: 🔍

X-Force: 90198
SecurityFocus: 64736 - Graphviz 'yyerror()' Function Incomplete Fix Stack Buffer Overflow Vulnerability
OSVDB: 101852 - CVE-2014-1235 - Graphviz - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 08/08/2017 10:31 AM
Updated: 12/15/2022 09:15 AM
Changes: 08/08/2017 10:31 AM (80), 05/27/2020 12:45 PM (5), 12/15/2022 09:15 AM (5)
Complete: 🔍

Discussion

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