製品・ソフトウェアに関する情報
複数の F5 BIG-IP 製品におけるサービス運用妨害 (DoS) の脆弱性
Title 複数の F5 BIG-IP 製品におけるサービス運用妨害 (DoS) の脆弱性
Summary

複数の F5 BIG-IP 製品は、仮想サーバ用 TCP プロファイルが Congestion Metrics Cache が有効な状態で設定されている場合、Path MTU (PMTU) の取得に関する処理に不備があるため、サービス運用妨害 (Traffic Management Microkernel (TMM) の再起動) 状態にされる脆弱性が存在します。

Possible impacts 第三者により、巧妙に細工された ICMP パケットを介して、サービス運用妨害 (Traffic Management Microkernel (TMM) の再起動) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。

Publication Date Oct. 8, 2015, midnight
Registration Date Jan. 15, 2016, 5:55 p.m.
Last Update Jan. 15, 2016, 5:55 p.m.
CVSS2.0 : 警告
Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected System
F5 Networks
BIG-IP Access Policy Manager (APM) 12.0.0
BIG-IP Access Policy Manager (APM) 12.0.0
BIG-IP Advanced Firewall Manager (AFM) 12.0.0
BIG-IP Advanced Firewall Manager (AFM) 12.0.0
BIG-IP Analytics 12.0.0
BIG-IP Analytics 12.0.0
BIG-IP Application Acceleration Manager (AAM) 12.0.0
BIG-IP Application Acceleration Manager (AAM) 12.0.0
BIG-IP Application Security Manager (ASM) 12.0.0
BIG-IP Application Security Manager (ASM) 12.0.0
BIG-IP Link Controller 12.0.0
BIG-IP Link Controller 12.0.0
BIG-IP Local Traffic Manager (LTM) 12.0.0
BIG-IP Local Traffic Manager (LTM) 12.0.0
BIG-IP Policy Enforcement Manager (PEM) 12.0.0
BIG-IP Policy Enforcement Manager (PEM) 12.0.0
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
0 [2016年01月15日]
  掲載
Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information
CVE-2015-7759
Summary

BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Link Controller, and PEM 12.0.0 before HF1, when the TCP profile for a virtual server is configured with Congestion Metrics Cache enabled, allow remote attackers to cause a denial of service (Traffic Management Microkernel (TMM) restart) via crafted ICMP packets, related to Path MTU (PMTU) discovery.

Publication Date Jan. 13, 2016, 5:59 a.m.
Registration Date Jan. 26, 2021, 2:57 p.m.
Last Update Nov. 21, 2024, 11:37 a.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:f5:big-ip_analytics:12.0.0:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:f5:big-ip_application_acceleration_manager:12.0.0:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:a:f5:big-ip_link_controller:12.0.0:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:12.0.0:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:12.0.0:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:a:f5:big-ip_access_policy_manager:12.0.0:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:a:f5:big-ip_application_security_manager:12.0.0:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List