QID 375684

Date Published: 2021-07-07

QID 375684: F5 BIG-IP ASM,LTM,APM BIG-IP GLIBC Vulnerability (K38481791)

F5 BIG-IP ASM (Application Security Manager) is a flexible web application firewall that secures web applications in traditional, virtual, and private cloud environments.
F5 BIG-IP (LTM) Local Traffic Manager is the most popular module offered on F5 Networks BIG-IP platform. The real power of the LTM is it is a Full Proxy, allowing you to augment client and server side connections. All while making informed load balancing decisions on availability, performance, and persistence.
F5 BIG-IP Access Policy Manager (APM) is a secure, flexible, high-performance solution that provides unified global access to your network, cloud, and applications.

The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c. (CVE-2020-10029)

Vulnerable Component: BIG-IP ASM, APM,LTM

Affected Versions:
16.0.0 - 16.0.1
15.1.0 - 15.1.3
14.1.0 - 14.1.4.2
13.1.0 - 13.1.3
12.1.0 - 12.1.5
11.6.1 - 11.6.5

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

Specially-crafted values passed to certain glibc functions may create a stack-based overflow, potentially leading to an unexpected process restart.

CVSS V3 rated as Medium - 5.5 severity.

CVSS V2 rated as Low - 2.1 severity.

Solution

The vendor has released patch for certain version(s), for more information please visit: K38481791

Vendor References

K38481791 - support.f5.com/csp/article/K38481791

CVEs related to QID 375684

CVE-2020-10029 |

Software Advisories

Advisory ID	Software	Component	Link
K38481791			support.f5.com/csp/article/K38481791

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