Published:2017/12/08  Last Updated:2017/12/08

JVNVU#95124098
Fluentd vulenrable to escape sequence injection

Overview

Fluentd provided by Cloud Native Computing Foundation (CNCF) contains an escape sequence injection vulnerability.

Products Affected

  • Fluentd version 0.12.29 through 0.12.40

Description

Fluentd is an open source data collector provided by Cloud Native Computing Foundation (CNCF). The parse Filter Plugin for Fluentd contains an escape sequence injection vulnerability (CWE-150) due to a flaw in processing logs.

Impact

Processing a specially crafted log may change the terminal UI or possibly execute arbitrary command on the device collecting logs.
 

Solution

Update the Software
Update to the latest version according to the information provided by the developer.

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:L/A:N
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:P/A:N
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-2017-10906
JVN iPedia