Published:2017/11/14 Last Updated:2017/11/14
JVNVU#94371484
Packetbeat vulnerable to denial-of-service (DoS)
Overview
Packetbeat provided by Elastic contains a denial-of-service (DoS) vulnerability.
Products Affected
- Packetbeat prior to version 5.6.4
Description
Packetbeat provided by Elastic is a network packet analyzer. Packetbeat contains a flaw in processing the PostgreSQL handler (CWE-129) .
Impact
Processing a specially crafted packet may lead to a denial-of-service (DoS).
Solution
Update the Software
Update to the latest version according to the information provided by the developer.
Apply a Workaround
Disable the PostgreSQL protocol
Vendor Status
| Vendor | Link |
| Elastic | Beats 5.6.4 security update |
| Fix missing length check in PgSQL #5457 |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score:
5.3
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:L/Au:N/C:N/I:N/A:P
Base Score:
5.0
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Teppei Fukuda reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer.
Other Information
| JPCERT Alert |
|
| JPCERT Reports |
|
| CERT Advisory |
|
| CPNI Advisory |
|
| TRnotes |
|
| CVE |
CVE-2017-11480 |
| JVN iPedia |
|