CVE-2017-11108
Published: 8 July 2017
tcpdump 4.9.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.
Notes
| Author | Note |
|---|---|
| sbeattie |
reproducer in redhat bug report |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tcpdump
Launchpad, Ubuntu, Debian |
trusty |
Released
(4.9.2-0ubuntu0.14.04.1)
|
| upstream |
Released
(4.9.1)
|
|
| xenial |
Released
(4.9.2-0ubuntu0.16.04.1)
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Released
(4.9.2-0ubuntu0.17.04.2)
|
|
|
Patches:
upstream: https://github.com/the-tcpdump-group/tcpdump/commit/d9e65de3d94698ec90dbca42962a30dd2f0680e1 |
||
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 |