Information disclosure in Linux kernel in F5 BIG-IP products
| Risk | Low |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-18344 |
| CWE-ID | CWE-125 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
BIG-IP SSLO Hardware solutions / Firmware BIG-IP DDHD Hardware solutions / Firmware BIG-IP Hardware solutions / Firmware BIG-IP PEM Hardware solutions / Security hardware applicances BIG-IP GTM Hardware solutions / Security hardware applicances BIG-IP FPS Hardware solutions / Security hardware applicances BIG-IP ASM Hardware solutions / Security hardware applicances BIG-IP APM Hardware solutions / Security hardware applicances BIG-IP Analytics Hardware solutions / Security hardware applicances BIG-IP AFM Hardware solutions / Security hardware applicances BIG-IP LTM Hardware solutions / Security hardware applicances BIG-IP Link Controller Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP DNS Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP AAM Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP Advanced WAF Client/Desktop applications / Antivirus software/Personal firewalls BIG-IQ Centralized Management Server applications / Remote management servers, RDP, SSH |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU14184
Risk: Low
CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2017-18344
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: Yes
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists due to out-of-bounds memory read error in the 'sigevent->sigev_notify' field of show_timer() function in the timer subsystem. A local attacker can obtain potentially sensitive information from system memory.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsBIG-IP SSLO: 13.1.0 - 16.0.1
BIG-IP PEM: 13.1.0 - 16.0.1
BIG-IP Link Controller: 13.1.0 - 16.0.1
BIG-IP GTM: 13.1.0 - 16.0.1
BIG-IP FPS: 13.1.0 - 16.0.1
BIG-IP DNS: 13.1.0 - 16.0.1
BIG-IP DDHD: 13.1.0 - 16.0.1
BIG-IP ASM: 13.1.0 - 16.0.1
BIG-IP APM: 13.1.0 - 16.0.1
BIG-IP Analytics: 13.1.0 - 16.0.1
BIG-IP AFM: 13.1.0 - 16.0.1
BIG-IP Advanced WAF: 13.1.0 - 16.0.1
BIG-IP AAM: 13.1.0 - 16.0.1
BIG-IP LTM: 13.1.0 - 16.0.1
BIG-IP: 13.1.0 - 16.0.1
BIG-IQ Centralized Management: 5.4.0 - 7.0.0
CPE2.3- cpe:2.3:h:f5_networks:big-ip_sslo:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_sslo:13.1.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_sslo:13.1.3:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_pem:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_pem:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_pem:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_link_controller:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_link_controller:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_link_controller:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_gtm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_fps:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_dns:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ddhd:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_asm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_apm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_analytics:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_afm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:f5_networks:big-ip_advanced_waf:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_aam:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_ltm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:13.1.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:f5_networks:big-iq:5.4.0:*:*:*:*:*:*:*
http://support.f5.com/csp/article/K07020416
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
