K53225395: Node.js vulnerabilities CVE-2021-3672 and CVE-2021-22931

Security Advisory Description CVE-2021-3672 Missing input validation of host names returned by Domain Name Servers DNS in the c-ares library can lead to output of wrong hostnames which may lead to Domain Hijacking. CVE-2021-22931 Node.js before 16.6.0, 14.17.4, and 12.22.4 is vulnerable to Remote...

K35799130: Multiple PHP vulnerabilities

Security Advisory Description CVE-2016-5399 The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service out-of-bounds write or execute arbitrary code via a crafted bz2 archive. CVE-2016-6291 The...

K22902581: Apache mod_auth_digest vulnerability CVE-2018-1312

Security Advisory Description In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP...

K67404630: Oracle WebLogic Server vulnerabilities CVE-2018-2894 and CVE-2018-2935

Security Advisory Description CVE-2018-2894 Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware subcomponent: WLS - Web Services. Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticat...

K67416037: Linux kernel vulnerability CVE-2021-23133

Security Advisory Description A race condition in Linux kernel SCTP sockets net/sctp/socket.c before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If sctpdestroysock is called without socknetsk-sctp.addrwqlock then an element is...

K50133242: Apache Solr vulnerability CVE-2019-17558

Security Advisory Description Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter. A Velocity template can be provided through Velocity templates in a configset velocity/ directory or as a parameter. A user defined configset could...

K04808933: Intel Processors MMIO Stale Data Advisory vulnerabilities CVE-2022-21123, CVE-2022-21125, and CVE-2022-21127

Security Advisory Description CVE-2022-21123 Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable information disclosure via local access. CVE-2022-21125 Incomplete cleanup of microarchitectural fill buffers on some Intel...

K93135205: Apache Struts 2 vulnerability CVE-2016-4436

Security Advisory Description Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up. CVE-2016-4436 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status...

K81172534: Linux kernel vulnerability CVE-2017-2583

Security Advisory Description The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a...

K04665443: OpenSSH vulnerability CVE-2021-36368

Security Advisory Description DISPUTED An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cann...

K91589041: Expat vulnerabilities CVE-2021-45960, CVE-2022-22825, CVE-2022-22826, and CVE-2022-22827

Security Advisory Description CVE-2021-45960 In Expat aka libexpat before 2.4.3, a left shift by 29 or more places in the storeAtts function in xmlparse.c can lead to realloc misbehavior e.g., allocating too few bytes, or only freeing memory. CVE-2022-22825 lookup in xmlparse.c in Expat aka...

K46604804: Python vulnerability CVE-2021-29921

Security Advisory Description In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This in some situations allows attackers to bypass access control that is based on IP addresses. CVE-2021-29921 Impact There is no impact; F5...

SOL16864 - SSL/TLS RC4 vulnerability CVE-2015-2808

Refer to the FirePass section of the Vulnerability Recommended Actions section. Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be no...

SOL14228 - OpenSSH vulnerability CVE-2007-2243

Recommended Action None Supplemental Information CVE-2007-2243 SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5...

SOL4119 - Buffer overflow in mod_ssl - CVE-2002-0082

Information about this advisory is available at the following location: Note: This link takes you to a resource outside of AskF5, and it is possible that the information may be removed without our knowledge...

K92153852: Apache httpd vulnerability CVE-2022-30522

Security Advisory Description If Apache HTTP Server 2.4.53 is configured to do transformations with modsed in contexts where the input to modsed may be very large, modsed may make excessively large memory allocations and trigger an abort. CVE-2022-30522 Impact There is no impact; F5 products are...

K15557: OpenSSH vulnerability CVE-2011-4327

Security Advisory Description ssh-keysign.c in ssh-keysign in OpenSSH before 5.8p2 on certain platforms executes ssh-rand-helper with unintended open file descriptors, which allows local users to obtain sensitive key information via the ptrace system call. CVE-2011-4327 Impact None. F5 products a...

K14741: OpenSSH vulnerability CVE-2010-5107

Security Advisory Description The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connection and completing a login, which makes it easier for remote attackers to cause a denial of service connection-slot exhaustion by periodically making many n...

K14027805: Apache vulnerability CVE-2017-15710

Security Advisory Description In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, modauthnzldap, if configured with AuthLDAPCharsetConfig, uses the Accept-Language header value to lookup the right charset encoding when verifying the user's credentials. If the header value is n...

K59904248: iControl SOAP vulnerability CVE-2022-29474

Security Advisory Description A directory traversal vulnerability exists in iControl SOAP that allows an authenticated attacker with at least guest role privileges to read wsdl files in the BIG-IP file system. CVE-2022-29474 Impact An authenticated attacker with at least guest role privileges may...

K46011592: HTTP/2 Empty Frames Flood vulnerability CVE-2019-9518

Security Advisory Description Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or...

K50343021: Node-vm2 vulnerability CVE-2022-36067

Security Advisory Description vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. In versions prior to version 3.9.11, a threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. This vulnerability was...

SOL63326092 - NTP vulnerability CVE-2016-7434

Vulnerability Recommended Actions None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5...

SOL16674 - TLS vulnerability CVE-2015-4000

Note: As of February 17, 2015, AskF5 Security Advisory articles include the Severity value. Security Advisory articles published before this date do not list a Severity value. Vulnerability Recommended Actions If the previous table lists a version in the Versions known to be not vulnerable column...

K16090693: Apache HTTP server vulnerability CVE-2021-44224

Security Advisory Description A crafted URI sent to httpd configured as a forward proxy ProxyRequests on can cause a crash NULL pointer dereference or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint...

K14756743: OpenSSH vulnerability CVE-2021-28041

Security Advisory Description ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host. CVE-2021-28041 Impact There is...

K37681312: PHP vulnerability CVE-2019-9020

Security Advisory Description An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. Invalid input to the function xmlrpcdecode can lead to an invalid memory access heap out of bounds read or read after free. This is related to xmlelemparsebu...

K40663742: OpenSSH vulnerability CVE-2004-1653

Security Advisory Description The default configuration for OpenSSH enables AllowTcpForwarding, which could allow remote authenticated users to perform a port bounce, when configured with an anonymous access program such as AnonCVS. CVE-2004-1653 Impact There is no impact; F5 products are not...

K03331206: NTP vulnerability CVE-2016-4955

Security Advisory Description ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time...

SOL46514822 - Linux TCP stack vulnerability CVE-2016-5696

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

SOL16285 - OpenSSL vulnerability CVE-2012-2110

Note: As of February 17, 2015, AskF5 Security Advisory articles include the Severity value. Security Advisory articles published before this date do not list a Severity value. Recommended Action If the previous table lists a version in the Versions known to be not vulnerable column, you can...

K64921482: Apache Tomcat vulnerability CVE-2018-11784

Security Advisory Description When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory e.g. redirecting to '/foo/' when the user requested '/foo' a specially crafted URL could be used to cause the redirect to be...

K08206127: PHP vulnerability CVE-2016-4072

Security Advisory Description The Phar extension in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via a crafted filename, as demonstrated by mishandling of \0 characters by the pharanalyzepath function in ext/phar/phar.c...

K17457324: PHP vulnerability CVE-2020-7066

Security Advisory Description In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using getheaders with user-supplied URL, if the URL contains zero \0 character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions...

K98009539: PHP/PCRE vulnerability CVE-2016-1283

Security Advisory Description The pcrecompile2 function in pcrecompile.c in PCRE 8.38 mishandles the /?:F?+?:^?Ra+"99-?J?R?R?RR?R\97?J?J?R?R\99|:?|?R\kR|?RHRRHR/ pattern and related patterns with named subgroups, which allows remote attackers to cause a denial of service heap-based buffer...

K30573026: BIG-IP virtual server with FastL4 profile vulnerability CVE-2022-23027

Security Advisory Description When a FastL4 profile and an HTTP, FIX, and/or hash persistence profile are configured on the same virtual server, undisclosed requests can cause the virtual server to stop processing new client connections. CVE-2022-23027 Impact Traffic is disrupted for new client...

K07538415: Multiple OpenSSL vulnerabilities

Security Advisory Description On May 3, 2016, OpenSSL announced the discovery of the following vulnerabilities: CVE-2016-2105 CVE-2016-2106 CVE-2016-2107 CVE-2016-2108 CVE-2016-2109 CVE-2016-2176 For the complete announcement from OpenSSL, refer to OpenSSL Security Advisory 3rd May 2016. Note :...

SOL16128 - Microsoft Schannel vulnerability CVE-2014-6321

Vulnerability Recommended Actions None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents. SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5...

K000150943: PostgreSQL vulnerabilities CVE-2019-10164, CVE-2020-14349, and CVE-2020-14350

Security Advisory Description CVE-2019-10164 PostgreSQL versions 10.x before 10.9 and versions 11.x before 11.4 are vulnerable to a stack-based buffer overflow. Any authenticated user can overflow a stack-based buffer by changing the user's own password to a purpose-crafted value. This often...

K23605346: BIG-IP iControl REST vulnerability CVE-2022-1388

Security Advisory Description Undisclosed requests may bypass iControl REST authentication. CVE-2022-1388 Impact This vulnerability may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system...

K41440465: BIG-IP TMM vulnerability CVE-2022-26071

Security Advisory Description A flaw in the way reply ICMP packets are limited in the Traffic Management Microkernel TMM allows an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. CVE-2022-26071 Impact A...

SOL12636 - Slowloris denial-of-service attack vulnerability CVE-2007-6750

Recommended Action If the previous table lists a version in the Versions known to be not vulnerable column, you can eliminate this vulnerability by upgrading to the listed version. If the listed version is older than the version you are currently running, or if the table does not list any version...

K10631153: Apache Solr vulnerability CVE-2017-12629

Security Advisory Description Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListener class. Elasticsearch, although it uses Lucene, is NOT vulnerable to...

K05121675: F5 TLS vulnerability CVE-2016-9244

Security Advisory Description A BIG-IP SSL virtual server with the non-default Session Tickets option enabled may leak up to 31 bytes of uninitialized memory, aka the Ticketbleed bug. CVE-2016-9244 Impact A BIG-IP virtual server configured with a Client SSL profile that has the non-default Sessio...

K39103040: Kernel vulnerability CVE-2018-18955

Security Advisory Description In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces with more than 5 UID or GID ranges. A user who has CAPSYSADMIN in an affected user namespace can bypas...

K29691966: PHP vulnerability CVE-2016-5773

Security Advisory Description phpzip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service...

K55580033: iControl REST vulnerability CVE-2022-35728

Security Advisory Description An authenticated user's iControl REST token may remain valid for a limited time after logging out from the Configuration utility. CVE-2022-35728 Impact A remote unauthenticated attacker may be able to reuse, for a limited time, an authenticated user's iControl REST...

K52340447: F5 ePVA vulnerability CVE-2022-28705

Security Advisory Description On platforms with an ePVA and the pva.fwdaccel BigDB variable enabled, undisclosed requests to a virtual server with a FastL4 profile that has ePVA acceleration enabled can cause the Traffic Management Microkernel TMM process to terminate. CVE-2022-28705 Impact Traff...

K51025324: Apache Tomcat 7.x vulnerabilities CVE-2015-5346, CVE-2015-5351, and CVE-2016-0763

Security Advisory Description CVE-2015-5346 Session fixation vulnerability in Apache Tomcat 7.x before 7.0.66, 8.x before 8.0.30, and 9.x before 9.0.0.M2, when different session settings are used for deployments of multiple versions of the same web application, might allow remote attackers to...

K86488846: Sudo vulnerability CVE-2021-3156

Security Advisory Description Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character. CVE-2021-3156 Impact A local attacker can exploit the vulnerability to escalate thei...