CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as very critical, was found in Graphviz 2.34.0. Affected is the function chkNum
in the library lib/cgraph/scan.l. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attackers to have unspecified impact via vectors related to a "badly formed number" and a "long digit list."
The weakness was released 01/10/2014 by Sebastian Krahmer (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2014-1236 since 01/08/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/31/2022).
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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350448 (Amazon Linux Security Advisory for graphviz-php: ALAS-2014-297).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (90199) and Tenable (72944). Entries connected to this vulnerability are available at 66047 and 104923.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.3
VulDB Base Score: 10.0
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
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: 🔍
OpenVAS ID: 702843
OpenVAS Name: Debian Security Advisory DSA 2843-1 (graphviz - buffer overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
01/08/2013 🔍01/08/2014 🔍
01/09/2014 🔍
01/10/2014 🔍
01/10/2014 🔍
01/19/2014 🔍
03/24/2015 🔍
01/31/2022 🔍
Sources
Advisory: 1d1bdec6318746f6f19f245db589eddc887ae8ffResearcher: Sebastian Krahmer
Status: Not defined
Confirmation: 🔍
CVE: CVE-2014-1236 (🔍)
OVAL: 🔍
X-Force: 90199
Vulnerability Center: 43018 - Graphviz 2.34.0 Remote Unspecified Vulnerability due to a Buffer Overflow in chkNum(), Critical
SecurityFocus: 64737 - Graphviz 'chkNum()' Function Stack Buffer Overflow Vulnerability
Secunia: 55666
OSVDB: 101851
See also: 🔍
Entry
Created: 03/24/2015 15:54Updated: 01/31/2022 07:18
Changes: 03/24/2015 15:54 (65), 04/09/2019 08:28 (8), 01/31/2022 07:11 (3), 01/31/2022 07:18 (1)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.