SUSE SLES12 Security Update : libssh (SUSE-SU-2020:0968-1)

This update for libssh fixes the following issues : CVE-2020-1730: Fixed a possible denial of service when using AES-CTR bsc1168699. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically...

Ubuntu 18.04 LTS : libssh vulnerability (USN-4327-1)

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4327-1 advisory. Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a...

Ubuntu: Security Advisory (USN-4327-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

USN-4327-1: libssh vulnerability

Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service...

CVE-2020-1730

A flaw was found in the way libssh handled AES-CTR or DES ciphers if enabled ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system...

SUSE-SU-2020:0968-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2020-1730: Fixed a possible denial of service when using AES-CTR bsc1168699...

SUSE-SU-2020:0967-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2020-1730: Fixed a possible denial of service when using AES-CTR bsc1168699...

CVE-2020-1730

A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR or DES ciphers if enabled ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The bigges...

[ASA-202004-11] libssh: denial of service

Arch Linux Security Advisory ASA-202004-11 ========================================== Severity: Medium Date : 2020-04-09 CVE-ID : CVE-2020-1730 Package : libssh Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1130 Summary ======= The package libssh before version...

Protect

FortiGate models which do not contain and embedded TRNG may suffer from insufficient entropy "seed" in the CTR DRBG random data software generator, in their default configuration...

Client/server denial of service when handling AES-CTR ciphers

The libssh team reports originally reported by Yasheng Yang from Google: A malicious client or server could crash the counterpart implemented with libssh AES-CTR ciphers are used and don't get fully initialized. It will crash when it tries to cleanup the AES-CTR ciphers when closing the connectio...

Nextcloud: Improper confidentiality protection of server-side encryption keys

This vulnerability is related to the Improper integrity protection of server-side encryption keys vulnerability but leverages a different attack vector. While the previous attack broke the confidentiality of encrypted files because the public keys are not integrity-protected, this new attack brea...

Nextcloud: Downgrade encryption scheme and break integrity through known-plaintext attack

The idea behind the Server Side Encryption is that you can move your encrypted files to an external party without that external party being able to to read or modify those files. Some time ago, Nextcloud switched from unauthenticated CFB cipher block mode to authenticated CTR cipher block mode in...

Fedora 28 : libtomcrypt (2018-9d667bdff8)

Fix Side Channel Based ECDSA Key Extraction CVE-2018-12437 PR 408 - Fix potential stack overflow when DER flexi-decoding CVE-2018-0739 PR 373 - Fix two-key 3DES PR 390 - Fix accelerated CTR mode PR 359 - Fix Fortuna PRNG PR 363 - Fix compilation on platforms where cc doesn't point to gcc PR 382 -...

Fedora 27 : libtomcrypt (2018-39e0872379)

Fix Side Channel Based ECDSA Key Extraction CVE-2018-12437 PR 408 - Fix potential stack overflow when DER flexi-decoding CVE-2018-0739 PR 373 - Fix two-key 3DES PR 390 - Fix accelerated CTR mode PR 359 - Fix Fortuna PRNG PR 363 - Fix compilation on platforms where cc doesn't point to gcc PR 382 -...

Researchers Uncover New Attacks Against LTE Network Protocol

If your mobile carrier offers LTE, also known as the 4G network, you need to beware as your network communication can be hijacked remotely. A team of researchers has discovered some critical weaknesses in the ubiquitous LTE mobile device standard that could allow sophisticated hackers to spy on...

restic cryptography

tl;dr: this is not an audit and I take no responsibility for your backups, but I had a quick look at the crypto and I think I'm going to use restic for my personal backups. I keep hearing good things about restic. I am redoing my storage solution, and restic seems to tick all the boxes for my...

ctr.ac.th XSS vulnerability

Open Bug Bounty ID: OBB-236793 Description| Value ---|--- Affected Website:| ctr.ac.th Open Bug Bounty Program:| Create your bounty program now. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| XSS Cross Site Scripting / CWE-79 CVSSv3 Score:| 6.1...

Windows Crypto Ransomware in Go: Ransomware

Windows Crypto Ransomware in Go Ransomware is a type of malware that prevents or limits users from accessing their system, either by locking the system’s screen or by locking the users’ files unless a ransom is paid. More modern ransomware families, collectively categorized as crypto-ransomware,...

openSUSE Security Update : XEN (openSUSE-SU-2012:1572-1)

This security update of XEN fixes various bugs and security issues. - Upstream patch 26088-xend-xml-filesize-check.patch - bnc787163 - CVE-2012-4544: xen: Domain builder Out-of- memory due to malicious kernel/ramdisk XSA 25 CVE-2012-4544-xsa25.patch - bnc779212 - CVE-2012-4411: XEN / qemu: guest...