886 matches found
CVE-2023-48795
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 connecti...
putty -- add protocol extension against 'Terrapin attack'
Simon Tatham reports: PuTTY version 0.80 contains one security fix ... for a newly discovered security issue known as the 'Terrapin' attack, also numbered CVE-2023-48795. The issue affects widely-used OpenSSH extensions to the SSH protocol: the ChaCha20+Poly1305 cipher system, and...
Exploit for Double Free in Openbsd Openssh
OpenSSH CVE-2023-25136 Pre-Auth Double Free – Writeup and PO...
BlackCat Operators Distributing Ransomware Disguised as WinSCP via Malvertising
Threat actors associated with the BlackCat ransomware have been observed employing malvertising tricks to distribute rogue installers of the WinSCP file transfer application. "Malicious actors used malvertising to distribute a piece of malware via cloned webpages of legitimate organizations," Tre...
Debian: Security Advisory (DLA-347-1)
The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
Debian: Security Advisory (DLA-173-1)
The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
SUSE CVE-2013-4206
Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service crash and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting...
SUSE CVE-2013-4207
Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service crash via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a differe...
SUSE CVE-2013-4208
The rsaverify function in PuTTY before 0.63 1 does not clear sensitive process memory after use and 2 does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys...
SUSE CVE-2013-4852
Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service crash and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the S...
SUSE CVE-2015-2157
The 1 ssh2loaduserkey and 2 ssh2saveuserkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory...
SUSE CVE-2015-5309
Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via an ECH erase characters escape sequence with a large parameter value, which triggers a buffer underflow...
SUSE CVE-2016-2563
Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service stack memory corruption or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request...
SUSE CVE-2016-6167
Multiple untrusted search path vulnerabilities in Putty beta 0.67 allow local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse 1 UxTheme.dll or 2 ntmarta.dll file in the current working directory...
SUSE CVE-2017-6542
The sshagentchanneldata function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overfl...
SUSE CVE-2019-9896
In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable...
SUSE CVE-2019-9894
A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification...
SUSE CVE-2019-9895
In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding...