Integer overflow in rsyslog before 7.6.7 and 8.x before 8.4.2 and sysklogd 1.5 and earlier allows remote attackers to cause a denial of service (crash) via a large priority (PRI) value. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-3634.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-3683 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of sysklogd and rsyslog packages as shipped with Red Hat Enterprise Linux 5, 6, and7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:A/AC:H/Au:N/C:C/I:C/A:C |
| Access Vector | Adjacent Network |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 2 | rsyslog7 | Not affected |
| Red Hat Gluster Storage 2.1 | rsyslog | Not affected |
| Red Hat Enterprise Linux 7 | rsyslog | Not affected |
| Red Hat Enterprise Linux 6 | rsyslog | Not affected |
| Red Hat Enterprise Linux 6 | rsyslog7 | Not affected |
| Red Hat Enterprise Linux 5 | rsyslog | Not affected |
| Red Hat Enterprise Linux 5 | rsyslog5 | Not affected |
| Red Hat Enterprise Linux 5 | sysklogd | Not affected |
Vulmon