F5 BIG-IP and BIG-IQ Centralized Management update for libexpat
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-40674 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
BIG-IP DNS Hardware solutions / Routers & switches, VoIP, GSM, etc BIG-IP ASM Hardware solutions / Security hardware applicances BIG-IP Hardware solutions / Firmware BIG-IQ Centralized Management Server applications / Remote management servers, RDP, SSH |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Use-after-free
EUVDB-ID: #VU67532
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-40674
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the doContent() function in xmlparse.c. A remote attacker can pass specially crafted input to the application that is using the affected library, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsBIG-IP DNS: 13.1.0 - 17.0.0.2
BIG-IP ASM: 13.1.0 - 17.0.0.2
BIG-IP: 13.1.0 - 17.0.0.2
BIG-IQ Centralized Management: 7.1.0 - 8.2.0
CPE2.3- cpe:2.3:h:f5_networks:big-ip_dns:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_dns:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_dns:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_asm:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_asm:13.1.0.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip_asm:13.1.0.2:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:13.1.5:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:14.1.5.3:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:15.1.8.1:*:*:*:*:*:*:*
- cpe:2.3:h:f5_networks:big-ip:16.1.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:f5_networks:big-iq:7.1.0:*:*:*:*:*:*:*
http://my.f5.com/manage/s/article/K44454157
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
