A string reference count bug was found in cupsd, causing premature freeing of string objects. An attacker could submit a malicious print job that exploits this flaw to dismantle ACLs protecting privileged operations, allowing a replacement configuration file to be uploaded, which in turn allowed the attacker to run arbitrary code on the CUPS server.
Find out more about CVE-2015-1158 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the version of cups package as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Important security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
| 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 | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (cups) | RHSA-2015:1123 | 2015-06-17 |
| Red Hat Enterprise Linux 6 (cups) | RHSA-2015:1123 | 2015-06-17 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | cups | Will not fix |
Disabling the cups web interface significantly reduces the impact of this security flaw.
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