CVE-2019-18934
Published: 19 November 2019
Unbound 1.6.4 through 1.9.4 contain a vulnerability in the ipsec module that can cause shell code execution after receiving a specially crafted answer. This issue can only be triggered if unbound was compiled with `--enable-ipsecmod` support, and ipsecmod is enabled and used in the configuration.
Notes
| Author | Note |
|---|---|
| mdeslaur | only vulnerable if compiled with --enable-ipsecmod, which is not the case on Ubuntu |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
unbound Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not compiled)
|
| disco |
Not vulnerable
(code not compiled)
|
|
| eoan |
Not vulnerable
(code not compiled)
|
|
| trusty |
Not vulnerable
(code not compiled)
|
|
| upstream |
Released
(1.9.5)
|
|
| xenial |
Not vulnerable
(code not compiled)
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |