CVE-2018-5740
A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
- State
- Published
- Severity
- 7.5 High
- Published
- Jan 16, 2019
- Updated
- Sep 16, 2024
- Reserved
- Jan 17, 2018
Description
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.5 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | isc |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
BIND 9ISC |
|
References
- 105055vdb-entry
- [debian-lts-announce] 20180830 [SECURITY] [DLA 1485-1] bind9 security updatemailing-list
- RHSA-2018:2570vendor-advisory
- RHSA-2018:2571vendor-advisory
- USN-3769-2vendor-advisory
- 1041436vdb-entry
- https://security.netapp.com/advisory/ntap-20180926-0003/
- https://kb.isc.org/docs/aa-01639
- USN-3769-1vendor-advisory
- GLSA-201903-13vendor-advisory
- openSUSE-SU-2019:1533vendor-advisory
- openSUSE-SU-2019:1532vendor-advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03927en_us
- [debian-lts-announce] 20211102 [SECURITY] [DLA 2807-1] bind9 security updatemailing-list
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