Denial of service in glibc implementation in F5 BIG-IP and F5OS
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-29573 |
| CWE-ID | CWE-787 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
BIG-IP Hardware solutions / Firmware BIG-IQ Centralized Management Server applications / Remote management servers, RDP, SSH F5OS Operating systems & Components / Operating system |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU50362
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-29573
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary within the sysdeps/i386/ldbl2mpn.c in the GNU C Library on x86 systems. A remote attacker can pass specially crafted data to the application that uses the vulnerable version of glibc and crash it.
Install update from vendor's website.
Vulnerable software versionsBIG-IP: 11.6.1 - 16.0.1.1
BIG-IQ Centralized Management: 6.0.0 - 8.0.0
F5OS: 1.0.0
External linkshttp://support.f5.com/csp/article/K27238230
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
