CVE-2016-5180
Published: 3 October 2016
Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.
Priority
Status
Package | Release | Status |
---|---|---|
c-ares Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
trusty |
Released
(1.10.0-2ubuntu0.1)
|
|
upstream |
Released
(1.12.0)
|
|
xenial |
Released
(1.10.0-3ubuntu0.1)
|
|
yakkety |
Released
(1.11.0-1ubuntu0.1)
|
|
zesty |
Not vulnerable
(1.12.0-1)
|
|
Patches: upstream: https://c-ares.haxx.se/CVE-2016-5180.patch |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |