BIG-IP (Advanced WAF, APM, ASM) Security Vulnerabilities

CVE-2021-47555 net: vlan: fix underflow for the real_dev refcnt

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the real_dev refcnt Inject error before dev_hold(real_dev) in register_vlan_dev(), and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type...

CVE-2021-47555 net: vlan: fix underflow for the real_dev refcnt

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the real_dev refcnt Inject error before dev_hold(real_dev) in register_vlan_dev(), and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type...

CVE-2021-47546 ipv6: fix memory leak in fib6_rule_suppress

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6_rule_suppress The kernel leaks memory when a fib rule is present in IPv6 nftables firewall rules and a suppress_prefix rule is present in the IPv6 routing rules (used by certain tools such as...

CVE-2021-47546 ipv6: fix memory leak in fib6_rule_suppress

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6_rule_suppress The kernel leaks memory when a fib rule is present in IPv6 nftables firewall rules and a suppress_prefix rule is present in the IPv6 routing rules (used by certain tools such as...

CVE-2021-47512 net/sched: fq_pie: prevent dismantle issue

In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: prevent dismantle issue For some reason, fq_pie_destroy() did not copy working code from pie_destroy() and other qdiscs, thus causing elusive bug. Before calling del_timer_sync(&q->adapt_timer), we need to...

CVE-2021-47512 net/sched: fq_pie: prevent dismantle issue

In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: prevent dismantle issue For some reason, fq_pie_destroy() did not copy working code from pie_destroy() and other qdiscs, thus causing elusive bug. Before calling del_timer_sync(&q->adapt_timer), we need to...

Security Bulletin: Security vulnerability found in libxml2 package shipped with IBM CICS TX Advanced 10.1

Summary Security vulnerability found in libxml2 package shipped with IBM CICS TX Advanced 10.1. IBM CICS TX Advanced has addressed the applicable issue. Vulnerability Details ** CVEID: CVE-2024-25062 DESCRIPTION: **GNOME libxml2 is vulnerable to a denial of service, caused by a use-after-free...

Security Bulletin: Security vulnerability found in curl package shipped with IBM CICS TX Advanced 10.1

Summary Security vulnerability found in curl package shipped with IBM CICS TX Advanced 10.1. IBM CICS TX Advanced has addressed the applicable issue. Vulnerability Details ** CVEID: CVE-2024-2398 DESCRIPTION: **cURL libcurl is vulnerable to a denial of service, caused by a memory leak when...

Security Bulletin: Security vulnerability found in openldap package shipped with IBM CICS TX Advanced 10.1

Summary Security vulnerability found in openldap package shipped with IBM CICS TX Advanced 10.1. IBM CICS TX Advanced has addressed the applicable issue. Vulnerability Details ** CVEID: CVE-2023-2953 DESCRIPTION: **OpenLDAP is vulnerable to a denial of service, caused by a NULL pointer...

DevOps Dilemma: How Can CISOs Regain Control in the Age of Speed?

Introduction The infamous Colonial pipeline ransomware attack (2021) and SolarWinds supply chain attack (2020) were more than data leaks; they were seismic shifts in cybersecurity. These attacks exposed a critical challenge for Chief Information Security Officers (CISOs): holding their ground...

CVE-2021-47564

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix double free issue on err path fix error path handling in prestera_bridge_port_join() that cases prestera driver to crash (see below). Trace: Internal error: Oops: 96000044 [#1] SMP Modules linked in:...

idm:DL1 security update

bind-dyndb-ldap [11.6-4] - Modify empty zone conflicts under exclusive mode Resolves: rhbz#2126877 [11.6-3] - Rebuild against bind 9.11.36 - Resolves: rhbz#2022762 [11.6-2] - Rebuild against bind 9.11.26 - Resolves: rhbz#1904612 [11.6-1] - New upstream release - Resolves: rhbz#1891735 [11.3-1] -...

F5 Networks BIG-IP : Apache HTTPD vulnerability (K000139764)

The version of F5 Networks BIG-IP installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the K000139764 advisory. Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split...

openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1659-1)

The remote host is missing an update for...

CVE-2021-47512

In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: prevent dismantle issue For some reason, fq_pie_destroy() did not copy working code from pie_destroy() and other qdiscs, thus causing elusive bug. Before calling del_timer_sync(&q->adapt_timer), we need to...

CVE-2021-47546

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6_rule_suppress The kernel leaks memory when a fib rule is present in IPv6 nftables firewall rules and a suppress_prefix rule is present in the IPv6 routing rules (used by certain tools such as...

openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1642-1)

The remote host is missing an update for...

CVE-2021-47572

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we try to add an IPv6 nexthop and IPv6 is not enabled (!CONFIG_IPV6) we'll hit a NULL pointer dereference[1] in the error path of nh_create_ipv6() due to...

openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:1641-1)

The remote host is missing an update for...

perl:5.32 security update

perl-Algorithm-Diff perl-Archive-Tar perl-Archive-Zip perl-autodie perl-bignum perl-Carp perl-Compress-Bzip2 perl-Compress-Raw-Bzip2 perl-Compress-Raw-Lzma perl-Compress-Raw-Zlib [2.096-2] - Fix test broken by update in zlib on s390x - Related: RHEL-16371 perl-Config-Perl-V perl-constant...

F5 Networks BIG-IP : Libexpat vulnerability (K000139525)

The version of F5 Networks BIG-IP installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the K000139525 advisory. In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in ...

K000139764: Apache HTTPD vulnerability CVE-2023-38709

Security Advisory Description Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58. (CVE-2023-38709) Impact This vulnerability allows malicious or exploitable...

CVE-2021-47558

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Disable Tx queues when reconfiguring the interface The Tx queues were not disabled in situations where the driver needed to stop the interface to apply a new configuration. This could result in a kernel panic when...

SBOM support in Spring Boot 3.3

Spring Boot 3.3.0 has been released, and it contains support for SBOMs. SBOM stands for "Software Bill of Materials" and describes the components used to build a software artifact. In the context of this blog post, that's your Spring Boot application. These SBOMs are useful because they describe...

CVE-2021-47555

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the real_dev refcnt Inject error before dev_hold(real_dev) in register_vlan_dev(), and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type...

Stark Industries Solutions: An Iron Hammer in the Cloud

The homepage of Stark Industries Solutions. Two weeks before Russia invaded Ukraine in February 2022, a large, mysterious new Internet hosting firm called Stark Industries Solutions materialized and quickly became the epicenter of massive distributed denial-of-service (DDoS) attacks on government.....

Metasploit Weekly Wrap-Up 05/23/2024

Infiltrate the Broadcast! A new module from Chocapikk allows the user to perform remote code execution on vulnerable versions of streaming platform AVideo (12.4 - 14.2). The multi/http/avideo_wwbnindex_unauth_rce module leverages CVE-2024-31819, a vulnerability to PHP Filter Chaining, to gain...

Silverstripe Hostname, IP and Protocol Spoofing through HTTP Headers

In it's default configuration, SilverStripe trusts all originating IPs to include HTTP headers for Hostname, IP and Protocol. This enables reverse proxies to forward requests while still retaining the original request information. Trusted IPs can be limited via the SS_TRUSTED_PROXY_IPS constant....

Silverstripe Hostname, IP and Protocol Spoofing through HTTP Headers

In it's default configuration, SilverStripe trusts all originating IPs to include HTTP headers for Hostname, IP and Protocol. This enables reverse proxies to forward requests while still retaining the original request information. Trusted IPs can be limited via the SS_TRUSTED_PROXY_IPS constant....

CVE-2024-4365

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘add_iframe_url_as_param_direct’ parameter in versions up to, and including, 2024.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2024-4365

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘add_iframe_url_as_param_direct’ parameter in versions up to, and including, 2024.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2024-4365 Advanced iFrame <= 2024.3 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Advanced iFrame plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘add_iframe_url_as_param_direct’ parameter in versions up to, and including, 2024.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 13, 2024 to May 19, 2024)

Did you know we're running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! Last week, there were 118 vulnerabilities disclosed in 90...

CVE-2021-47293

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_skbmod: Skip non-Ethernet packets Currently tcf_skbmod_act() assumes that packets use Ethernet as their L2 protocol, which is not always the case. As an example, for CAN devices: $ ip link add dev vcan0 type vcan $.....

CVE-2021-47288

In the Linux kernel, the following vulnerability has been resolved: media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf() Fix an 11-year old bug in ngene_command_config_free_buf() while addressing the following warnings caught with -Warray-bounds:...

CVE-2021-47276

In the Linux kernel, the following vulnerability has been resolved: ftrace: Do not blindly read the ip address in ftrace_bug() It was reported that a bug on arm64 caused a bad ip address to be used for updating into a nop in ftrace_init(), but the error path (rightfully) returned -EINVAL and not...

CVE-2021-47266

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 ("RDMA/ipoib: Set rtnl_link_ops for ipoib interfaces"), if the IPoIB device is moved to non-initial netns, destroying that netns lets the....

CVE-2024-4978: Backdoored Justice AV Solutions Viewer Software Used in Apparent Supply Chain Attack

The following Rapid7 team members contributed to this blog: Ipek Solak, Thomas Elkins, Evan McCann, Matthew Smith, Jake McMahon, Tyler McGraw, Ryan Emmons, Stephen Fewer, and John Fenninger Overview Justice AV Solutions (JAVS) is a U.S.-based company specializing in digital audio-visual recording.....

Go-Secdump - Tool To Remotely Dump Secrets From The Windows Registry

Package go-secdump is a tool built to remotely extract hashes from the SAM registry hive as well as LSA secrets and cached hashes from the SECURITY hive without any remote agent and without touching disk. The tool is built on top of the library go-smb and use it to communicate with the Windows...

ShrinkLocker: Turning BitLocker into ransomware

Introduction Attackers always find creative ways to bypass defensive features and accomplish their goals. This can be done with packers, crypters, and code obfuscation. However, one of the best ways of evading detection, as well as maximizing compatibility, is to use the operating system's own...

CVE-2024-36013

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect() Extend a critical section to prevent chan from early freeing. Also make the l2cap_connect() return type void. Nothing is using the returned value but it is ugly to...

Are Your SaaS Backups as Secure as Your Production Data?

Conversations about data security tend to diverge into three main threads: How can we protect the data we store on our on-premises or cloud infrastructure? What strategies and tools or platforms can reliably backup and restore data? What would losing all this data cost us, and how quickly could...

Inside Operation Diplomatic Specter: Chinese APT Group's Stealthy Tactics Exposed

Governmental entities in the Middle East, Africa, and Asia are the target of a Chinese advanced persistent threat (APT) group as part of an ongoing cyber espionage campaign dubbed Operation Diplomatic Specter since at least late 2022. "An analysis of this threat actor's activity reveals long-term.....

CVE-2023-52828

In the Linux kernel, the following vulnerability has been resolved: bpf: Detect IP == ksym.end as part of BPF program Now that bpf_throw kfunc is the first such call instruction that has noreturn semantics within the verifier, this also kicks in dead code elimination in unprecedented ways. For...

CVE-2023-52796

In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlan_route_v6_outbound() helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlan_process_v6_outbound() by moving the flowi6 struct used for the route lookup in...

CVE-2023-52780

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to page_pool_get_stats Calling page_pool_get_stats in the mvneta driver without checks leads to kernel crashes. First the page pool is only available if the bm is not used. The page pool is also not...

CVE-2023-52770

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extent_cache Let's allocate the extent_cache tree without dynamic conditions to avoid a missing condition causing a panic as below. # create a file w/ a compressed flag # disable the.....

CVE-2021-47452

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: skip netdev events generated on netns removal syzbot reported following (harmless) WARN: WARNING: CPU: 1 PID: 2648 at net/netfilter/core.c:468 nft_netdev_unregister_hooks net/netfilter/nf_tables_api.c:230...

CVE-2021-47448

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible stall on recvmsg() recvmsg() can enter an infinite loop if the caller provides the MSG_WAITALL, the data present in the receive queue is not sufficient to fulfill the request, and no more data is received by...

CVE-2023-52874

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Zero out the missing RSI in TDX_HYPERCALL macro In the TDX_HYPERCALL asm, after the TDCALL instruction returns from the untrusted VMM, the registers that the TDX guest shares to the VMM need to be cleared to avoid...