
CVE-2020-8597 – ppp: Buffer overflow in the eap_request and eap_response functions in eap.c
https://notcve.org/view.php?id=CVE-2020-8597
03 Feb 2020 — eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions. El archivo eap.c en pppd en ppp versiones 2.4.2 hasta 2.4.8, presenta un desbordamiento del búfer de rhostname en las funciones eap_request y eap_response. A buffer overflow flaw was found in the ppp package in versions 2.4.2 through 2.4.8. The bounds check for the rhostname was improperly constructed in the EAP request and response functions which could allow a buffer overflow to occur. ... • https://packetstorm.news/files/id/156802 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVE-2019-20446 – librsvg: Resource exhaustion via crafted SVG file with nested patterns
https://notcve.org/view.php?id=CVE-2019-20446
02 Feb 2020 — In xml.rs in GNOME librsvg before 2.46.2, a crafted SVG file with nested patterns can cause denial of service when passed to the library for processing. The attacker constructs pattern elements so that the number of final rendered objects grows exponentially. En el archivo xml.rs en GNOME librsvg versiones anteriores a 2.46.2, un archivo SVG diseñado con patrones anidados puede causar una denegación de servicio cuando es pasado a la biblioteca para su procesamiento. El atacante construye elementos de patrón... • http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00024.html • CWE-400: Uncontrolled Resource Consumption •

CVE-2020-8492 – python: wrong backtracking in urllib.request.AbstractBasicAuthHandler allows for a ReDoS
https://notcve.org/view.php?id=CVE-2020-8492
30 Jan 2020 — Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking. Python versiones 2.7 hasta 2.7.17, versiones 3.5 hasta 3.5.9, versiones 3.6 hasta 3.6.10, versiones 3.7 hasta 3.7.6 y versiones 3.8 hasta 3.8.1, permiten a un servidor HTTP conducir ataques de Denegación de Servicio de Expre... • http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html • CWE-400: Uncontrolled Resource Consumption •

CVE-2020-0549 – hw: L1D Cache Eviction Sampling
https://notcve.org/view.php?id=CVE-2020-0549
28 Jan 2020 — Cleanup errors in some data cache evictions for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Unos errores de limpieza en algunos desalojos de caché de datos para algunos procesadores Intel(R), pueden permitir a un usuario autenticado habilitar potencialmente una divulgación de información por medio del acceso local. A microarchitectural timing flaw was found on some Intel processors. A corner case exists where data in-flight during t... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00016.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-404: Improper Resource Shutdown or Release •

CVE-2019-20421 – exiv2: infinite loop and hang in Jp2Image::readMetadata() in jp2image.cpp could lead to DoS
https://notcve.org/view.php?id=CVE-2019-20421
27 Jan 2020 — In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file. En la función Jp2Image::readMetadata() en el archivo jp2image.cpp en Exiv2 versión 0.27.2, un archivo de entrada puede generar un bucle infinito y suspensión, con un alto consumo de CPU. Los atacantes remotos podrían aprovechar esta vulnerabilidad para causar una deneg... • https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8 • CWE-400: Uncontrolled Resource Consumption CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVE-2019-17570 – xmlrpc: Deserialization of server-side exception from faultCause in XMLRPC error response
https://notcve.org/view.php?id=CVE-2019-17570
23 Jan 2020 — An untrusted deserialization was found in the org.apache.xmlrpc.parser.XmlRpcResponseParser:addResult method of Apache XML-RPC (aka ws-xmlrpc) library. A malicious XML-RPC server could target a XML-RPC client causing it to execute arbitrary code. Apache XML-RPC is no longer maintained and this issue will not be fixed. Se detectó una deserialización no confiable en el método org.apache.xmlrpc.parser.XmlRpcResponseParser:addResult de la biblioteca Apache XML-RPC (también se conoce como ws-xmlrpc). Un servidor... • https://github.com/r00t4dm/CVE-2019-17570 • CWE-502: Deserialization of Untrusted Data •

CVE-2019-15795 – python-apt uses MD5 for validation
https://notcve.org/view.php?id=CVE-2019-15795
23 Jan 2020 — python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5. Python-apt solo comprueba las cantidades MD5 de los archivos descargados en las funciones "Version.fetch_binary()... • https://usn.ubuntu.com/4247-1 • CWE-327: Use of a Broken or Risky Cryptographic Algorithm •

CVE-2019-15796 – python-apt downloads from untrusted sources
https://notcve.org/view.php?id=CVE-2019-15796
23 Jan 2020 — Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn't be allowed and has been fixed in verisions 1.9.5, 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5. Python-apt no comprueba si los hashes están firmados en las funciones "Version.fetch_binary()" y... • https://usn.ubuntu.com/4247-1 • CWE-287: Improper Authentication CWE-347: Improper Verification of Cryptographic Signature •

CVE-2020-7595 – libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations
https://notcve.org/view.php?id=CVE-2020-7595
21 Jan 2020 — xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. La función xmlStringLenDecodeEntities en el archivo parser.c en libxml2 versión 2.9.10, presenta un bucle infinito en una determinada situación de fin del archivo. Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core... • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVE-2020-7040 – Ubuntu Security Notice USN-4508-1
https://notcve.org/view.php?id=CVE-2020-7040
21 Jan 2020 — storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.) El archivo storeBackup.pl en storeBackup versiones hasta 3.5, se basa en el nombre de ruta /tmp/storeBackup.lock, que permite ataques de tipo symlink que posiblemente conllevan a una escalada de privilegios. (... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00054.html • CWE-59: Improper Link Resolution Before File Access ('Link Following') •