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 MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-1236 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of the graphviz package as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Low security impact and therefore it is not planned to be addressed in future updates.
This issue did not affect the versions of the graphviz package as shipped with Red Hat Enterprise Linux 7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | graphviz | Not affected |
| Red Hat Enterprise Linux 6 | graphviz | Will not fix |
Vulmon