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CVSS: 7.8EPSS: 0%CPEs: 15EXPL: 0

09 Jul 2010 — Buffer overflow in Ruby 1.9.x before 1.9.1-p429 on Windows might allow local users to gain privileges via a crafted ARGF.inplace_mode value that is not properly handled when constructing the filenames of the backup files. Desbordamiento de búfer en Ruby v1.9.x anterior v1.9.1-p429 en Windows puede permitir a usuarios locales ganar privilegios mediante un valor ARGF.inplace_mode manipulado que no es correctamente manejado cuando construye los nombres de archivos de los ficheros backup • http://osdir.com/ml/ruby-talk/2010-07/msg00095.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 56%CPEs: 4EXPL: 4

13 Jan 2010 — WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator. WEBrick v1.3.1 en Ruby v1.8.6 del patchlevel 383, v1.8.7 al patchlevel 248, v1.8.8dev, 1.9.1 al patchlevel 37... • https://www.exploit-db.com/exploits/33489 •

CVSS: 10.0EPSS: 1%CPEs: 7EXPL: 0

11 Dec 2009 — Heap-based buffer overflow in the rb_str_justify function in string.c in Ruby 1.9.1 before 1.9.1-p376 allows context-dependent attackers to execute arbitrary code via unspecified vectors involving (1) String#ljust, (2) String#center, or (3) String#rjust. NOTE: some of these details are obtained from third party information. Desbordamiento del búfer de la memoria dinámica en la función rb_str_justify en string.c en Ruby v1.9.1 en versiones anteriores a v1.9.1-p376 atacantes dependientes del contexto podrían ... • http://secunia.com/advisories/37660 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

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

18 Feb 2009 — ext/openssl/ossl_ocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSP_basic_verify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate. ext/openssl/ossl_ocsp.c en Ruby v1.8 y v1.9 no comprueba adecuadamente el valor de retorno de la funcion OCSP_basic_verify, lo cual permitiria a atacantes remotos tener exito en la presentacion de un certificado X.509 invalido, posiblemente utilizando un cert... • http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528 • CWE-287: Improper Authentication •

CVSS: 7.5EPSS: 0%CPEs: 27EXPL: 1

04 Sep 2008 — resolv.rb in Ruby 1.8.5 and earlier, 1.8.6 before 1.8.6-p287, 1.8.7 before 1.8.7-p72, and 1.9 r18423 and earlier uses sequential transaction IDs and constant source ports for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447. resolv.rb en Ruby 1.8.5 y versiones anteriores, 1.8.6 versiones anteriores a 1.8.6-p287, 1.8.7 versiones anteriores a 1.8.7-p72, y 1.9 r18423 y versiones anteriores utiliza transacciones secuenciales de IDs y p... • http://secunia.com/advisories/31430 • CWE-287: Improper Authentication •

CVSS: 7.5EPSS: 5%CPEs: 21EXPL: 2

27 Aug 2008 — The REXML module in Ruby 1.8.6 through 1.8.6-p287, 1.8.7 through 1.8.7-p72, and 1.9 allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML document with recursively nested entities, aka an "XML entity explosion." El módulo REXML en Ruby 1.8.6 hasta la versión 1.8.6-p287, 1.8.7 hasta 1.8.7-p72, y 1.9 permite que atacantes, dependiendo del contexto, provocar una denegación de servicio (agotamiento CPU) a través de un documento XML con entidades anidadas recursivamente, ta... • https://www.exploit-db.com/exploits/32292 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 18%CPEs: 51EXPL: 1

14 Aug 2008 — The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick. El motor de expresiones regulares (regex.c) en Ruby 1.8.5 y anteriores, 1.8.6 a través de p286-1.8.6, 1.8.7 a través de 1.8.7-p71, y 1.9 a través de r18423 permite a atacan... • https://www.exploit-db.com/exploits/6239 • CWE-399: Resource Management Errors •

CVSS: 7.5EPSS: 53%CPEs: 47EXPL: 4

13 Aug 2008 — Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not properly restrict access to critical variables and methods at various safe levels, which allows context-dependent attackers to bypass intended access restrictions via (1) untrace_var, (2) $PROGRAM_NAME, and (3) syslog at safe level 4, and (4) insecure methods at safe levels 1 through 3. Ruby versiones 1.8.5 y anteriores, versiones 1.8.6 hasta 1.8.6-p286, versiones 1.8.7 hasta 1.8.7-p71, y versiones 1.9... • https://www.exploit-db.com/exploits/32224 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 7.8EPSS: 10%CPEs: 43EXPL: 3

13 Aug 2008 — Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression. Una vulnerabilidad de complejidad algorítmica en la función WEBrick::HTTPUtils.split_header_value en WEBric... • https://packetstorm.news/files/id/180518 • CWE-399: Resource Management Errors •

CVSS: 7.5EPSS: 4%CPEs: 43EXPL: 2

13 Aug 2008 — The dl module in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 does not check "taintness" of inputs, which allows context-dependent attackers to bypass safe levels and execute dangerous functions by accessing a library using DL.dlopen. El módulo dl en Ruby versiones 1.8.5 y anteriores, versiones 1.8.6 hasta 1.8.6-p286, versiones 1.8.7 hasta 1.8.7-p71, y versiones 1.9 a r18423 no comprueba la "taintness" de entradas, lo que permite a los atacantes dependien... • https://www.exploit-db.com/exploits/32223 • CWE-20: Improper Input Validation •