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CVSS: 5.8EPSS: 0%CPEs: 16EXPL: 0

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured File Policy for HTTP packets and deliver a malicious payload. Múltiples productos de Cisco están afectados por una vulnerabilidad en el motor de detección de Snort que podría permitir a un atacante remoto no autenticado omitir una Política de Archivos configurada para HTTP. • https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24j https://www.debian.org/security/2023/dsa-5354 • CWE-693: Protection Mechanism Failure •

CVSS: 4.3EPSS: 5%CPEs: 26EXPL: 5

Snort before 2.8.5.1, when the -v option is enabled, allows remote attackers to cause a denial of service (application crash) via a crafted IPv6 packet that uses the (1) TCP or (2) ICMP protocol. Snort anterior v.2.8.5.1, cuando la opción -v es activada, permite a atacantes remotos causar una denegación de servicio (caída aplicación) a través de un paquete Ipv6 manipulado que usa el protocolo (1) TCP o (2)ICMP. • https://www.exploit-db.com/exploits/33306 https://www.exploit-db.com/exploits/9969 http://dl.snort.org/snort-current/release_notes_2851.txt http://marc.info/?l=oss-security&m=125649553414700&w=2 http://seclists.org/fulldisclosure/2009/Oct/299 http://secunia.com/advisories/37135 http://securitytracker.com/id?1023076 http://vrt-sourcefire.blogspot.com/2009/10/snort-2851-release.html http://www.openwall.com/lists/oss-security/2009/10/25/5 http://www.osvdb.org/591 •

CVSS: 6.8EPSS: 2%CPEs: 1EXPL: 0

preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment. preprocessors/spp_frag3.c en Sourcefire Snort before 2.8.1 no identifica adecuadamente los fragmentos de paquetes que tienen valores TTL distintos, esto permite a atacantes remotos evitar las reglas de detección usando un paquete TTL para cada fragmento. • http://cvs.snort.org/viewcvs.cgi/snort/ChangeLog?rev=1.534.2.11 http://cvs.snort.org/viewcvs.cgi/snort/src/preprocessors/spp_frag3.c.diff?r1=text&tr1=1.46.2.4&r2=text&tr2=1.46.2.5&diff_format=h http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=701 http://secunia.com/advisories/30348 http://secunia.com/advisories/30563 http://secunia.com/advisories/31204 http://securitytracker.com/id?1020081 http://www.ipcop.org/index.php? •

CVSS: 10.0EPSS: 71%CPEs: 10EXPL: 4

Stack-based buffer overflow in the DCE/RPC preprocessor in Snort before 2.6.1.3, and 2.7 before beta 2; and Sourcefire Intrusion Sensor; allows remote attackers to execute arbitrary code via crafted SMB traffic. Desbordamiento de búfer en el preprocesador DCE/RPC en Snort anterior a 2.6.1.3, y 2.7 anterior a beta 2; y Sourcefire Intrusion Sensor;permite a atacantes remotos ejecutar código de su elección mediante tráfico SMB manipulado. • https://www.exploit-db.com/exploits/3609 https://www.exploit-db.com/exploits/3362 https://www.exploit-db.com/exploits/18723 https://www.exploit-db.com/exploits/3391 http://fedoranews.org/updates/FEDORA-2007-206.shtml http://iss.net/threats/257.html http://secunia.com/advisories/24190 http://secunia.com/advisories/24235 http://secunia.com/advisories/24239 http://secunia.com/advisories/24240 http://secunia.com/advisories/24272 http://secunia.com/advisories/26746 htt •

CVSS: 5.0EPSS: 13%CPEs: 1EXPL: 0

Algorithmic complexity vulnerability in Snort before 2.6.1, during predicate evaluation in rule matching for certain rules, allows remote attackers to cause a denial of service (CPU consumption and detection outage) via crafted network traffic, aka a "backtracking attack." Vulnerabilidad de complejidad algorítmica en Snort anterior a 2.6.1, durante la evaluación de un predicado en el chequeo de reglas para ciertas reglas, permite a atacantes remotos provocar una denegación de servicio (consumo de CPU y parada de detección) mediante tráfico de red manipulado, también conocido como un "ataque de vuelta hacia atrás" (backtracking attack). • http://lists.immunitysec.com/pipermail/dailydave/2007-January/003954.html http://secunia.com/advisories/23716 http://secunia.com/advisories/24164 http://secunia.com/advisories/24338 http://security.gentoo.org/glsa/glsa-200702-03.xml http://securitytracker.com/id?1017508 http://www.acsac.org/2006/abstracts/54.html http://www.acsac.org/2006/advance_program.html http://www.acsac.org/2006/papers/54.pdf http://www.cs.wisc.edu/~smithr/pubs/acsac2006.pdf http://www.cs •