CVE-2015-7848
Published: 6 January 2017
An integer overflow can occur in NTP-dev.4.3.70 leading to an out-of-bounds memory copy operation when processing a specially crafted private mode packet. The crafted packet needs to have the correct message authentication code and a valid timestamp. When processed by the NTP daemon, it leads to an immediate crash.
Notes
| Author | Note |
|---|---|
| mdeslaur | code in precise-wily doesn't look vulnerable |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ntp Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
| trusty |
Not vulnerable
|
|
| upstream |
Needs triage
|
|
| vivid |
Not vulnerable
|
|
| wily |
Not vulnerable
|
|
|
Patches: upstream: https://github.com/ntp-project/ntp/commit/c04c3d3d940dfe1a53132925c4f51aef017d2e0f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |