Off-by-one error in the process_cgivars function in contrib/daemonchk.c in Nagios Core 3.5.1, 4.0.2, and earlier allows remote authenticated users to obtain sensitive information from process memory or cause a denial of service (crash) via a long string in the last key value in the variable list, which triggers a heap-based buffer over-read.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-7205 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| 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 OpenStack Platform 6.0 (Juno) for RHEL 7 | nagios | Fix deferred |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) | nagios | Fix deferred |
| Red Hat Enterprise Linux OpenStack Platform 4.0 | nagios | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 3.0 | nagios | Will not fix |
Vulmon