A use-after-free flaw leading to denial of service was found in the way BIND internally handled cleanup operations on upstream recursion fetch contexts. A remote attacker could potentially use this flaw to make named, acting as a DNSSEC validating resolver, exit unexpectedly with an assertion failure via a specially crafted DNS request.
Find out more about CVE-2017-3145 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Advanced Update Support 7.2 (bind) | RHSA-2018:0488 | 2018-03-12 |
| Red Hat Enterprise Linux Extended Update Support 7.3 (bind) | RHSA-2018:0488 | 2018-03-12 |
| Red Hat Enterprise Linux 6 (bind) | RHSA-2018:0101 | 2018-01-22 |
| Red Hat Enterprise Linux Server TUS (v. 6.6) (bind) | RHSA-2018:0487 | 2018-03-12 |
| Red Hat Enterprise Linux Advanced Update Support 6.5 (bind) | RHSA-2018:0487 | 2018-03-12 |
| Red Hat Enterprise Linux Advanced Update Support 6.4 (bind) | RHSA-2018:0487 | 2018-03-12 |
| Red Hat Enterprise Linux Server Update Services for SAP Solutions 7.2 (bind) | RHSA-2018:0488 | 2018-03-12 |
| Red Hat Enterprise Linux 7 (bind) | RHSA-2018:0102 | 2018-01-22 |
| Red Hat Enterprise Linux Server TUS (v. 7.2) (bind) | RHSA-2018:0488 | 2018-03-12 |
| Red Hat Enterprise Linux Advanced Update Support 6.6 (bind) | RHSA-2018:0487 | 2018-03-12 |
| Red Hat Enterprise Linux Extended Update Support 6.7 (bind) | RHSA-2018:0487 | 2018-03-12 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | bind | Will not fix |
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