CVSS: 4.3EPSS: 0%CPEs: 6EXPL: 1CVE-2020-11810
https://notcve.org/view.php?id=CVE-2020-11810
An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 (P_DATA_V2) packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be dropped. This requires careful timing due to the small time window (usually within a few seconds) between the victim client connection starting and the server PUSH_REPLY response back to the client. This attack will only work if Negotiable Cipher Parameters (NCP) is in use. • https://bugzilla.suse.com/show_bug.cgi?id=1169925 https://community.openvpn.net/openvpn/ticket/1272 https://github.com/OpenVPN/openvpn/commit/37bc691e7d26ea4eb61a8a434ebd7a9ae76225ab https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGHHV4YZANZW45KZTJJGVGPFMSXYRCKZ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JII7RYYYRBPQNEGGVSOXCM7JUZ43T3VH https://patchwork.openvpn.net/patch/ • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 6.1EPSS: 1%CPEs: 10EXPL: 0CVE-2020-12137 – mailman: XSS via file attachments in list archives
https://notcve.org/view.php?id=CVE-2020-12137
GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code. GNU Mailman versiones 2.x anteriores a la versión 2.1.30, usa una extensión .obj para partes MIME de aplications/octet-stream. Este comportamiento puede contribuir a ataques de tipo XSS contra visitantes de archivos de lista, porque una respuesta HTTP desde un servidor web de archivo puede carecer de un tipo MIME, y un navegador web puede realizar rastreo del MIME, concluir que el tipo MIME debería haber sido text/html, y ejecutar código JavaScript. • http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html http://www.openwall.com/lists/oss-security/2020/04/24/3 https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF https://lists.fedoraproject.org • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 9.8EPSS: 0%CPEs: 20EXPL: 1CVE-2019-20788 – libvncserver: integer overflow and heap-based buffer overflow in libvncclient/cursor.c in HandleCursorShape function
https://notcve.org/view.php?id=CVE-2019-20788
libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690. En la biblioteca libvncclient/cursor.c en LibVNCServer versiones hasta 0.9.12, tiene un desbordamiento de enteros en la función HandleCursorShape y un desbordamiento de búfer en la región heap de la memoria por medio de un valor de alto o ancho grande. A flaw was found in libvncserver in versions through 0.9.12. A large height or width value may cause an integer overflow or a heap-based buffer overflow. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient https://usn.ubuntu.com/4407-1 https://access.redhat.com/security/cve/CVE-2019-20788 https://bugzilla.redhat.com/show_bug.cgi?id=1829870 • CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 1CVE-2020-1983 – libslirp: use after free vulnerability cause a denial of service.
https://notcve.org/view.php?id=CVE-2020-1983
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service. Una vulnerabilidad de uso de la memoria previamente liberada en la función ip_reass() en el archivo ip_input.c de libslirp versiones 4.2.0 y anteriores permite que paquetes especialmente diseñados causen una denegación de servicio. A use-after-free flaw was found in the SLiRP networking implementation of the QEMU emulator. Specifically, this flaw occurs in the ip_reass() routine while reassembling incoming IP fragments whose combined size is bigger than 65k. This flaw allows an attacker to crash the QEMU process on the host, resulting in a denial of service. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04 https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20 https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fe • CWE-416: Use After Free •
CVSS: 7.5EPSS: 0%CPEs: 16EXPL: 0CVE-2020-11008 – Malicious URLs can still cause Git to send a stored credential to the wrong server
https://notcve.org/view.php?id=CVE-2020-11008
Affected versions of Git have a vulnerability whereby Git can be tricked into sending private credentials to a host controlled by an attacker. This bug is similar to CVE-2020-5260(GHSA-qm7j-c969-7j4q). The fix for that bug still left the door open for an exploit where _some_ credential is leaked (but the attacker cannot control which one). Git uses external "credential helper" programs to store and retrieve passwords or other credentials from secure storage provided by the operating system. Specially-crafted URLs that are considered illegal as of the recently published Git versions can cause Git to send a "blank" pattern to helpers, missing hostname and protocol fields. • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html http://seclists.org/fulldisclosure/2020/May/41 https://github.com/git/git/commit/c44088ecc4b0722636e0a305f9608d3047197282 https://github.com/git/git/security/advisories/GHSA-hjc9-x69f-jqj7 https://github.com/git/git/security/advisories/GHSA-qm7j-c969-7j4q https://lists.debian.org/debian-lts-announce/2020/04/msg00015.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74Q7WVJ6FKLIN62VS2JD2XCNW • CWE-20: Improper Input Validation CWE-522: Insufficiently Protected Credentials •