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CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

28 Aug 2019 — An issue was discovered in Suricata 4.1.3. The function process_reply_record_v3 lacks a check for the length of reply.data. It causes an invalid memory access and the program crashes within the nfs/nfs3.rs file. Se descubrió un problema en Suricata 4.1.3. La función process_reply_record_v3 carece de una verificación para la longitud de reply.data. • https://redmine.openinfosecfoundation.org/issues/2943 • CWE-20: Improper Input Validation CWE-191: Integer Underflow (Wrap or Wraparound) •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 2

28 Aug 2019 — An issue was discovered in Suricata 4.1.3. If the network packet does not have the right length, the parser tries to access a part of a DHCP packet. At this point, the Rust environment runs into a panic in parse_clientid_option in the dhcp/parser.rs file. Se descubrió un problema en Suricata 4.1.3. Si el paquete de red no tiene la longitud correcta, el analizador intenta acceder a una parte de un paquete DHCP. • https://redmine.openinfosecfoundation.org/issues/2902 • CWE-707: Improper Neutralization •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 2

28 Aug 2019 — An issue was discovered in Suricata 4.1.3. If the function filetracker_newchunk encounters an unsafe "Some(sfcm) => { ft.new_chunk }" item, then the program enters an smb/files.rs error condition and crashes. Se descubrió un problema en Suricata 4.1.3. Si la función filetracker_newchunk encuentra un elemento inseguro "Some (sfcm) => {ft.new_chunk}", el programa ingresa una condición de error smb / files.rs y se bloquea. • https://github.com/OISF/suricata/pull/3734 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 1

18 Jul 2019 — Open Information Security Foundation Suricata prior to version 4.1.3 is affected by: Denial of Service - TCP/HTTP detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed sequence of network packets. The component is: detect.c (https://github.com/OISF/suricata/pull/3625/commits/d8634daf74c882356659addb65fb142b738a186b). The attack vector is: An attacker can trigger the vulnerability by a specifically crafted network TCP session. The fixed version is: 4.1.3. • https://github.com/OISF/suricata/pull/3625 • CWE-347: Improper Verification of Cryptographic Signature •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

18 Jul 2019 — Open Information Security Foundation Suricata prior to version 4.1.2 is affected by: Denial of Service - DNS detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed network packet. The component is: app-layer-detect-proto.c, decode.c, decode-teredo.c and decode-ipv6.c (https://github.com/OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe, https://github.com/OISF/suricata/pull/3590/commits/8357ef3f8ffc7d99ef6571350724160de356158b). The attack ... • https://github.com/OISF/suricata/pull/3590/commits/11f3659f64a4e42e90cb3c09fcef66894205aefe • CWE-20: Improper Input Validation •

CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 0

13 May 2019 — An issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the function SSHParseBanner is composed only of a \n character, then the program runs into a heap-based buffer over-read. This occurs because the erroneous search for \r results in an integer underflow. Se descubrió un problema en Suricata versión 4.1.x anterior a la 4.1.4. Si la entrada de la función SSHParseBanner está compuesta sólo por un carácter, entonces el programa se ejecuta en una sobrelectura de búfer basada en pilas. • https://lists.openinfosecfoundation.org/pipermail/oisf-announce • CWE-125: Out-of-bounds Read CWE-191: Integer Underflow (Wrap or Wraparound) •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

13 May 2019 — A buffer over-read issue was discovered in Suricata 4.1.x before 4.1.4. If the input of the decode-mpls.c function DecodeMPLS is composed only of a packet of source address and destination address plus the correct type field and the right number for shim, an attacker can manipulate the control flow, such that the condition to leave the loop is true. After leaving the loop, the network packet has a length of 2 bytes. There is no validation of this length. Later on, the code tries to read at an empty position... • https://lists.openinfosecfoundation.org/pipermail/oisf-announce • CWE-125: Out-of-bounds Read •

CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 0

04 Apr 2019 — Suricata version 4.0.4 incorrectly handles the parsing of an EtherNet/IP PDU. A malformed PDU can cause the parsing code to read beyond the allocated data because DecodeENIPPDU in app-layer-enip-commmon.c has an integer overflow during a length check. La versión 4.0.4 de Suricata gestiona de manera incorrecta el análisis de las unidades de datos de protocolo (PDU) de EtherNet/IP. Un PDU mal formado puede hacer que el código de análisis lea más allá de los datos asignados porque DecodeENIPPDU en app-layer-en... • https://suricata-ids.org/2018/07/18/suricata-4-0-5-available • CWE-190: Integer Overflow or Wraparound •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 0

04 Apr 2019 — Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check. La versión 4.0.4 de Suricata gestiona de manera incorrecta el análisis del banner SSH. Un banner SSH mal formado puede hacer que el código de análisis lea más allá de los datos asignados porque SSHParseBanner en app-layer-ssh.c carece de comprobación de longitud. • https://lists.debian.org/debian-lts-announce/2019/04/msg00010.html • CWE-125: Out-of-bounds Read •

CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 0

05 Nov 2018 — The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018. La función ProcessMimeEntity en util-decode-mime.c en Suricata, desde la versión 4.x hasta la 4.0.5, permite que los atacantes remotos provoquen una denegación de servicio (segfault y cierre inesperado del demonio) mediante entradas manipulada en el analizador SMTP, t... • https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •