CVE-2020-11984 – httpd: mod_proxy_uwsgi buffer overflow
https://notcve.org/view.php?id=CVE-2020-11984
Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE Apache HTTP server versiones 2.4.32 hasta 2.4.44, la función mod_proxy_uwsgi divulga información y posible RCE A flaw was found in Apache httpd in versions 2.4.32 to 2.4.46. The uwsgi protocol does not serialize more than 16K of HTTP header leading to resource exhaustion and denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html http://packetstormsecurity.com/files/159009/Apache2-mod_proxy_uwsgi-Incorrect-Request-Handling.html http://www.openwall.com/lists/oss-security/2020/08/08/1 http://www.openwall.com/lists/oss-security/2020/08/08/10 http://www.openwall.com/lists/oss-security/2020/08/08/8 http://www.openwall.com/lists/oss-security/2020/08/08/9 http • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-400: Uncontrolled Resource Consumption •
CVE-2020-9490 – httpd: Push diary crash on specifically crafted HTTP/2 header
https://notcve.org/view.php?id=CVE-2020-9490
Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers. Apache HTTP Server versiones 2.4.20 hasta 2.4.43.. Un valor especialmente diseñado para el encabezado "Cache-Digest" en una petición HTTP/2 resultaría en un bloqueo cuando el servidor realmente intenta un PUSH HTTP/2 un recurso mas tarde. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00068.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00071.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00081.html http://packetstormsecurity.com/files/160392/Apache-2.4.43-mod_http2-Memory-Corruption.html https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-9490 https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E https://lists& • CWE-400: Uncontrolled Resource Consumption CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •
CVE-2019-20907 – python: infinite loop in the tarfile module via crafted TAR archive
https://notcve.org/view.php?id=CVE-2019-20907
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. En la biblioteca Lib/tarfile.py en Python versiones hasta 3.8.3, un atacante puede diseñar un archivo TAR conllevando a un bucle infinito cuando se abrió mediante tarfile.open, porque la función _proc_pax carece de comprobación de encabezado A flaw was found in python. In Lib/tarfile.py an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00053.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00056.html https://bugs.python.org/issue39017 https://github.com/python/cpython/pull/21454 https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html https://lists.debian.org/debian-lts-announce/2020/ • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVE-2019-20892
https://notcve.org/view.php?id=CVE-2019-20892
net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release. net-snmp versiones anteriores a 5.8.1.pre1 presenta una doble liberación en la función usm_free_usmStateReference en el archivo snmplib/snmpusm.c por medio de una petición SNMPv3 GetBulk. NOTA: esto afecta a los paquetes net-snmp enviados a los usuarios finales por múltiples distribuciones de Linux, pero podría no afectar una versión anterior • http://www.openwall.com/lists/oss-security/2020/06/25/4 https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027 https://bugzilla.redhat.com/show_bug.cgi?id=1663027 https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9 https://security.gentoo.org/glsa/202008-12 https://sourceforge.net/p/net-snmp/bugs/2923 https://usn.ubuntu.com/4410-1 https://www.oracle.com/security-alerts/cpujan2021.html • CWE-415: Double Free •
CVE-2020-15025
https://notcve.org/view.php?id=CVE-2020-15025
ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory consumption) by sending packets, because memory is not freed in situations where a CMAC key is used and associated with a CMAC algorithm in the ntp.keys file. ntpd en ntp versión 4.2.8 versiones anteriores a 4.2.8p15 y versiones 4.3.x anteriores a 4.3.101, permite a atacantes remotos causar una denegación de servicio (consumo de la memoria) mediante el envío de paquetes, porque la memoria no es liberada en situaciones donde se usa una clave CMAC y está asociada con un algoritmo CMAC en el archivo ntp.keys • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html https://bugs.gentoo.org/729458 https://security.gentoo.org/glsa/202007-12 https://security.netapp.com/advisory/ntap-20200702-0002 https://support.ntp.org/bin/view/Main/NtpBug3661 https://support.ntp.org/bin/view/Main/SecurityNotice#June_2020_ntp_4_2_8p15_NTP_Relea https://www.oracle.com/security-alerts/cpujan2021.html • CWE-401: Missing Release of Memory after Effective Lifetime •