CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 1CVE-2020-12673 – dovecot: Out of bound reads in dovecot NTLM implementation
https://notcve.org/view.php?id=CVE-2020-12673
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read. En Dovecot versiones anteriores a 2.3.11.3, el envío de una petición NTLM con formato especial bloqueará el servicio auth debido a una lectura fuera de límites A flaw was found in dovecot. An out-of-bounds read flaw was found in the way dovecot handled NTLM authentication allowing an attacker to crash the dovecot auth process repeatedly preventing login. The highest threat from this vulnerability is to system availability. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html https://dovecot.org/security https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2 https://lists.fedoraproject.org/ar • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 4%CPEs: 10EXPL: 1CVE-2020-12100 – dovecot: Resource exhaustion via deeply nested MIME parts
https://notcve.org/view.php?id=CVE-2020-12100
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts. En Dovecot versiones anteriores a 2.3.11.3, la recursividad no controlada en submission, lmtp, y lda permite a atacantes remotos causar una denegación de servicio (consumo de recursos) por medio de un mensaje de correo electrónico diseñado con partes MIME profundamente anidadas A flaw was found in dovecot. A remote attacker could cause a denial of service by repeatedly sending emails containing MIME parts containing malicious content of which dovecot will attempt to parse. The highest threat from this vulnerability is to system availability. • http://seclists.org/fulldisclosure/2021/Jan/18 http://www.openwall.com/lists/oss-security/2020/08/12/1 http://www.openwall.com/lists/oss-security/2021/01/04/3 https://dovecot.org/security https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2 http • CWE-674: Uncontrolled Recursion •
CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 1CVE-2020-12674 – dovecot: Crash due to assert in RPA implementation
https://notcve.org/view.php?id=CVE-2020-12674
In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled. En Dovecot versiones anteriores a 2.3.11.3, el envío de una petición RPA con un formato especial bloqueará el servicio auth porque una longitud de cero es manejada inapropiadamente A flaw was found in dovecot. An attacker can use the way dovecot handles RPA (Remote Passphrase Authentication) to crash the authentication process repeatedly preventing login. The highest threat from this vulnerability is to system availability. • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html https://dovecot.org/security https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2 https://lists.fedoraproject.org/ar • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 1%CPEs: 7EXPL: 0CVE-2020-1597 – ASP.NET Core Denial of Service Vulnerability
https://notcve.org/view.php?id=CVE-2020-1597
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests. Se presenta una vulnerabilidad de denegación de servicio cuando ASP.NET Core maneja inapropiadamente las peticiones web, también se conoce como "ASP.NET Core Denial of Service Vulnerability". A flaw was found in ASP.NET Core. • https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597 https://access.redhat.com/security/cve/CVE-2020-1597 https://bugzilla.redhat.com/show_bug.cgi?id=1861110 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 1CVE-2020-17487
https://notcve.org/view.php?id=CVE-2020-17487
radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY. radare2 versión 4.5.0 analiza incorrectamente la información de la firma en los archivos PE, causando un error de segmentación en la función r_x509_parse_algorithmidentifier en la biblioteca libr/util/x509.c. Esto es debido a un identificador de objeto con formato incorrecto en la función IMAGE_DIRECTORY_ENTRY_SECURITY • https://github.com/radareorg/radare2/issues/17431 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/45SGGCWFIIV7N2X2QZRREHOW7ODT3IH7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZJET3RR6W7LAK4H6VPTMAZS24W7XYHRZ •