The mod_dav_svn server in Subversion 1.8.0 through 1.8.11 allows remote attackers to cause a denial of service (memory consumption) via a large number of REPORT requests, which trigger the traversal of FSFS repository nodes.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2015-0202 from the MITRE CVE dictionary dictionary and NIST NVD.
Not vulnerable. This issue did not affect the versions of subversion as shipped with Red Hat Enterprise Linux 5, 6 and 7 as they did not include support for additional level of caching for the DAG nodes, which cause excessive memory use due to the cached nodes not being deallocated in a timely manner.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 5 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| 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 | subversion | Not affected |
| Red Hat Enterprise Linux 6 | subversion | Not affected |
| Red Hat Enterprise Linux 5 | subversion | Not affected |
Vulmon