F5-K64119434: Medium severity F5 BIG-IP vulnerability

Published Mar 25, 2019
·
Updated

In the GNU C Library (aka glibc or libc6) before 2.28, parseregexp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

Affected Software

5 affected componentsFixes available
F5 BIG-IP=17.5.0, >=17.1.0<=17.1.2
17.5.1
F5 BIG-IP>=16.1.0<=16.1.6
F5 BIG-IP>=15.1.0<=15.1.10
F5 BIG-IQ Centralized Management>=8.3.0<=8.4.0
8.4.1
F5 Traffix SDC=5.2.0

Event History

Mar 25, 2019
Advisory Published
via F5·03:17 AM
Data Sourced
via F5·03:17 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of F5-K64119434?

The severity of F5-K64119434 is high due to its potential to cause denial of service or incorrect results in applications.

2

How do I fix F5-K64119434?

Fix F5-K64119434 by upgrading to a patched version of the affected F5 products, specifically to versions above 17.5.1, 16.1.6, 15.1.10, or 8.4.1 for BIG-IQ Centralized Management.

3

What types of denial of service attacks are associated with F5-K64119434?

F5-K64119434 can lead to a denial of service through assertion failures and application crashes during regular-expression parsing.

4

Which versions of F5 BIG-IP are affected by F5-K64119434?

F5-K64119434 affects F5 BIG-IP versions 17.5.0, 17.1.0 to 17.1.2, 16.1.0 to 16.1.6, and 15.1.0 to 15.1.10.

5

Is F5 Traffix SDC safe from F5-K64119434?

F5 Traffix SDC version 5.2.0 is affected by F5-K64119434 and should be evaluated for necessary updates.

Contact

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