Updating certificate on NetScaler failed with error

The following error occurs when updating a certificate on the NetScaler appliance. ERROR: Certificate is referenced by a CRL, OCSP responder, vserver, service, monitor, SSL profile, CA Cert Group, another certificate, or a policy expression using XMLENCRYPT or XMLDECR...

How to delete duplicate HSTS header

Explain how to eliminate the duplicate HSTS header Duplicated header HSTS Why? it could come from a backend server, and also being applied from the ADC Vserver configuration, so we need to decide which header to keep. In this case, the client wants to delete the HSTS header coming from the server...

CVE-2023-24594

When an SSL profile is configured on a Virtual Server, undisclosed traffic can cause an increase in CPU or SSL accelerator resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2023-24594

When an SSL profile is configured on a Virtual Server, undisclosed traffic can cause an increase in CPU or SSL accelerator resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2023-24594 BIG-IP TMM SSL vulnerability

When an SSL profile is configured on a Virtual Server, undisclosed traffic can cause an increase in CPU or SSL accelerator resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

PT-2023-19697 · F5 · Big-Ip

Name of the Vulnerable Software and Affected Versions: BIG-IP versions prior to 17.0.0 Description: When an SSL profile is configured on a Virtual Server, undisclosed traffic can cause an increase in CPU or SSL accelerator resource utilization. Recommendations: For versions prior to 17.0.0, updat...

K95434410: TMM vulnerability CVE-2019-6629

Security Advisory Description Undisclosed SSL traffic to a virtual server configured with a Client SSL profile may cause TMM to fail and restart. The Client SSL profile must have session tickets enabled and use DHE cipher suites to be affected. This only impacts the data plane, there is no impact...

K15404: OpenSSL vulnerability CVE-2009-3245

Security Advisory Description OpenSSL before 0.9.8m does not check for a NULL return value from bnwexpand function calls in 1 crypto/bn/bndiv.c, 2 crypto/bn/bngf2m.c, 3 crypto/ec/ec2smpl.c, and 4 engines/eubsec.c, which has unspecified impact and context-dependent attack vectors. CVE-2009-3245...

K23284054: The BIG-IP SMTPS virtual server may fail to properly restrict I/O buffering, allowing attackers to insert commands into encrypted SMTP sessions

Security Advisory Description This issue occurs the following condition is met: A virtual server is configured with a Client SSL profile and an SMTPS profile that has the STARTTLS Activation Mode setting enabled Allow or Require for processing SMTPS traffic. Impact When system receives these SMTP...

K25165813: BIG-IP SSL connection Alert Timeout security exposure

Security Advisory Description The mitigation for K41515225: BIG-IP SSL connection security exposure may not work in all conditions. If after applying the workaround in K41515225: BIG-IP SSL connection security exposure, setting the Alert Timeout to its minimum value of 1 second, you continue to...

K15159: OpenSSL vulnerability CVE-2014-0160

Security Advisory Description The 1 TLS and 2 DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as...

K53931245: BIG-IP SSL profile vulnerability CVE-2018-5524

Security Advisory Description Under certain conditions, virtual servers configured with Client SSL or Server SSL profiles that make use of network hardware security module HSM functionality are exposed and impacted by this issue. CVE-2018-5524 Impact Malformed Transport Layer Security TLS request...

K14903688: BIG-IP SSL Profile OCSP Authentication security exposure

Security Advisory Description The BIG-IP system does not properly verify the revocation of intermediate CA certificates when querying Online Certificate Status Protocol OCSP servers and may allow unauthorized connections. This issue occurs when all of the following conditions are met: You have a...

K21154730: TMM SSL/TLS profile vulnerability CVE-2017-6141

Security Advisory Description Certain values in a TLS abbreviated handshake when using a client SSL profile with the Session Ticket option enabled may cause disruption of service to the Traffic Management Microkernel TMM. The Session Ticket option is disabled by default. CVE-2017-6141 Impact The...

K31523465: BIG-IP TMM vulnerability CVE-2022-41983

Security Advisory Description While Intel QAT QuickAssist Technology and the AES-GCM/CCM cipher is in use, undisclosed conditions cause the BIG-IP system to send data unencrypted, even with an SSL profile applied. CVE-2022-41983 Impact This vulnerability may expose confidential information to a...

K21905460: BIG-IP SSL vulnerability CVE-2017-6168

Security Advisory Description On BIG-IP versions 11.6.0-11.6.2 fixed in 11.6.2 HF1, 12.0.0-12.1.2 HF1 fixed in 12.1.2 HF2, or 13.0.0-13.0.0 HF2 fixed in 13.0.0 HF3 a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack AKA Bleichenbacher...

K16674: TLS vulnerability CVE-2015-4000

Security Advisory Description The TLS protocol 1.2 and earlier, when a DHEEXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHEEXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE...

K21942600: A virtual server with a Client SSL profile may accept non-SSL traffic

Security Advisory Description A Client SSL profile using a cipher group and an option that modifies supported ciphers for example no-dtls or no-ssl accepts plain text connections, in addition to correctly handling SSL traffic. This issue occurs when all of the following conditions are met: A...

CVE-2022-41983

On specific hardware platforms, on BIG-IP versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, 14.1.x before 14.1.5.1, and all versions of 13.1.x, while Intel QAT QuickAssist Technology and the AES-GCM/CCM cipher is in use, undisclosed conditions can cause BIG-IP to send data unencrypted even...

CVE-2022-41983

On specific hardware platforms, on BIG-IP versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, 14.1.x before 14.1.5.1, and all versions of 13.1.x, while Intel QAT QuickAssist Technology and the AES-GCM/CCM cipher is in use, undisclosed conditions can cause BIG-IP to send data unencrypted even...