The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-1000381 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-nodejs6-nodejs) | RHSA-2017:2908 | 2017-10-18 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-nodejs6-nodejs) | RHSA-2017:2908 | 2017-10-18 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-nodejs4-nodejs | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-nodejs8-nodejs | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | nodejs010-c-ares | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | nodejs010-nodejs | Not affected |
| Red Hat OpenShift Enterprise 3 | nodejs | Will not fix |
| Red Hat OpenShift Enterprise 2 | nodejs010-nodejs | Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7.0 Operational Tools for RHEL 7 | nodejs | Will not fix |
| Red Hat Enterprise Linux 7 | c-ares | Will not fix |
| Red Hat Enterprise Linux 6 | c-ares | Will not fix |
| Red Hat Enterprise Linux 5 | c-ares | Will not fix |
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