CVE-2016-6312
A denial of service vulnerability was found in subversion. The mod_dontdothat component of the mod_dav_svn Apache module did not properly protect against exponential XML entity expansion attacks. An attacker with credentials to the webdav repository could send a crafted message that would result in resource exhaustion and denial of service to httpd.
Find out more about CVE-2016-6312 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Red Hat Product Security has rated this issue as having Moderate security
impact. This issue is not currently planned to be addressed in future
updates. For additional information, refer to the Issue Severity
Classification: https://access.redhat.com/security/updates/classification/.
CVSS v2 metrics
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 |
CVSS v3 metrics
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.3 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | httpd24-httpd | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | httpd24-apr-util | Not affected |
| Red Hat Enterprise Linux 7 | httpd | Not affected |
| Red Hat Enterprise Linux 7 | apr-util | Not affected |
| Red Hat Enterprise Linux 6 | httpd | Not affected |
| Red Hat Enterprise Linux 6 | apr-util | Not affected |
| Red Hat Enterprise Linux 5 | httpd | Not affected |
| Red Hat Enterprise Linux 5 | apr-util | Will not fix |
| Red Hat Directory Server 8 | httpd | Not affected |
| Red Hat Directory Server 8 | apr-util | Not affected |