CVSS: 9.8EPSS: 84%CPEs: 79EXPL: 3CVE-2023-48795 – ssh: Prefix truncation attack on Binary Packet Protocol (BPP)
https://notcve.org/view.php?id=CVE-2023-48795
18 Dec 2023 — The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message), and a client and server may consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack. This occurs because the SSH Binary Packet Protocol (BPP), implemented by these extensions, mishandles the handshake phas... • https://packetstorm.news/files/id/176280 • CWE-222: Truncation of Security-relevant Information CWE-354: Improper Validation of Integrity Check Value •
CVSS: 3.7EPSS: 0%CPEs: 4EXPL: 0CVE-2021-36368
https://notcve.org/view.php?id=CVE-2021-36368
12 Mar 2022 — An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cannot determine whether FIDO authentication is going to confirm that the user wishes to connect to that server, or that the user wishes to allow that server to connect to a different server on the user's behalf. NOTE: the vendor's position is "this is not a... • https://bugzilla.mindrot.org/show_bug.cgi?id=3316 • CWE-287: Improper Authentication •
CVSS: 5.3EPSS: 14%CPEs: 5EXPL: 3CVE-2016-20012
https://notcve.org/view.php?id=CVE-2016-20012
15 Sep 2021 — OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product ** EN DISPTUTA ** OpenSSH versiones hasta 8.7, permite a atacantes remotos, que presentan la sospecha de que una determinada combi... • https://github.com/aztec-eagle/cve-2016-20012 •
CVSS: 7.8EPSS: 65%CPEs: 12EXPL: 3CVE-2020-15778 – openssh: scp allows command injection when using backtick characters in the destination argument
https://notcve.org/view.php?id=CVE-2020-15778
24 Jul 2020 — scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows." ** EN DISPUTA ** scp en OpenSSH versiones hasta 8.3p1 permite una inyección de comandos en la función toremote de scp.c, como lo demuestran los caracteres backtick en el a... • https://github.com/cpandya2909/CVE-2020-15778 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •
CVSS: 6.8EPSS: 8%CPEs: 51EXPL: 0CVE-2019-6109 – openssh: Missing character encoding in progress display allows for spoofing of scp client output
https://notcve.org/view.php?id=CVE-2019-6109
16 Jan 2019 — An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c. Se ha descubierto un problema en OpenSSH 7.9. Debido a la falta de cifrado de caracteres en la pantalla de progreso, un servidor malicioso (o atacante Man-in-the... • http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00058.html • CWE-116: Improper Encoding or Escaping of Output CWE-451: User Interface (UI) Misrepresentation of Critical Information •
CVSS: 6.8EPSS: 55%CPEs: 9EXPL: 3CVE-2019-6110 – OpenSSH SCP Client - Write Arbitrary Files
https://notcve.org/view.php?id=CVE-2019-6110
16 Jan 2019 — In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred. En OpenSSH 7.9, debido a la aceptación y la nuestra de salidas stderr arbitrarias del servidor, un servidor malicioso (o atacante Man-in-the-Middle) puede manipular la salida del cliente, por ejemplo, para emplear códigos de control de ANSI para ocultar lo... • https://packetstorm.news/files/id/151227 • CWE-838: Inappropriate Encoding for Output Context •
CVSS: 5.9EPSS: 63%CPEs: 55EXPL: 6CVE-2019-6111 – OpenSSH SCP Client - Write Arbitrary Files
https://notcve.org/view.php?id=CVE-2019-6111
16 Jan 2019 — An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well... • https://packetstorm.news/files/id/151227 • CWE-20: Improper Input Validation CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •
CVSS: 5.3EPSS: 3%CPEs: 56EXPL: 0CVE-2018-20685 – openssh: scp client improper directory name validation
https://notcve.org/view.php?id=CVE-2018-20685
10 Jan 2019 — In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side. En OpenSSH 7.9, scp.c en el cliente scp permite que los servidores SSH omitan las restricciones de acceso planeadas mediante un nombre de archivo "." o un nombre de archivo vacío. El impacto consiste en modificar los permisos del directorio objetivo en el lado del cliente. Many ... • http://www.securityfocus.com/bid/106531 • CWE-20: Improper Input Validation CWE-863: Incorrect Authorization •
CVSS: 5.3EPSS: 90%CPEs: 32EXPL: 42CVE-2018-15473 – OpenSSH < 7.7 - User Enumeration
https://notcve.org/view.php?id=CVE-2018-15473
17 Aug 2018 — OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c. OpenSSH hasta la versión 7.7 es propenso a una vulnerabilidad de enumeración de usuarios debido a que no retrasa el rescate de un usuario de autenticación no válido hasta que el paquete que contiene la petición haya sido analizado completamente. Esto e... • https://packetstorm.news/files/id/181223 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 7.5EPSS: 2%CPEs: 16EXPL: 0CVE-2016-10708 – openssh: Out of sequence NEWKEYS message can allow remote attacker to cause denial of service
https://notcve.org/view.php?id=CVE-2016-10708
21 Jan 2018 — sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c. sshd en OpenSSH, en versiones anteriores a la 7.4, permite que atacantes remotos provoquen una denegación de servicio (desreferencia de puntero NULL y cierre inesperado del demonio) mediante un mensaje NEWKEYS fuera de secuencia, tal y como demuestra Honggfuzz, relacionado con kex.c y p... • http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html • CWE-20: Improper Input Validation CWE-476: NULL Pointer Dereference •