CVE-2017-3145
bind9 - security update
7.5
HIGH
CVSS 3.1
EPSS 8.0%
Description
BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1.
How to fix CVE-2017-3145
To remediate CVE-2017-3145, upgrade the affected package to a fixed version below.
- —upgrade to 9.11.2_p1-r0 or later
- —upgrade to 1:9.11.2.P1-1 or later
- —upgrade to 1:9.8.4.dfsg.P1-6+nmu2+deb7u19 or later
- —upgrade to 1:9.9.5.dfsg-9+deb8u15 or later
Is CVE-2017-3145 being exploited?
Moderate — EPSS is 8.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 9.11.2_p1-r0
- from 0, < 1:9.11.2.P1-1
- from 0, < 1:9.8.4.dfsg.P1-6+nmu2+deb7u19
- from 0, < 1:9.9.5.dfsg-9+deb8u15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |