#dos

Ubuntu Security Notice 6674-2 - USN-6674-1 fixed a vulnerability in Django. This update provides the corresponding update for Ubuntu 18.04 LTS. Seokchan Yoon discovered that the Django Truncator function incorrectly handled very long HTML input. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service.

Ubuntu Security Notice 6674-1 - Seokchan Yoon discovered that the Django Truncator function incorrectly handled very long HTML input. A remote attacker could possibly use this issue to cause Django to consume resources, leading to a denial of service.

Red Hat Security Advisory 2024-1085-03 - An update for squid is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1078-03 - An update is now available for Service Telemetry Framework 1.5.4. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1072-03 - An update is now available for Red Hat Ansible Automation Platform 2.4. Issues addressed include a denial of service vulnerability.

Cisco Talos observed a surge in GhostSec, a hacking group’s malicious activities since this past year. GhostSec has evolved with a new GhostLocker 2.0 ransomware, a Golang variant of the GhostLocker ransomware.

### Impact In JSONata versions `>= 1.4.0, < 1.8.7` and `>= 2.0.0, < 2.0.4`, a malicious expression can use the [transform operator](https://docs.jsonata.org/other-operators#-------transform) to override properties on the `Object` constructor and prototype. This may lead to denial of service, remote code execution or other unexpected behavior in applications that evaluate user-provided JSONata expressions. ### Patch This issue has been fixed in JSONata versions `>= 1.8.7` and `>= 2.0.4`. Applications that evaluate user-provided expressions should update ASAP to prevent exploitation. The following patch can be applied if updating is not possible. ```patch --- a/src/jsonata.js +++ b/src/jsonata.js @@ -1293,6 +1293,13 @@ var jsonata = (function() { } for(var ii = 0; ii < matches.length; ii++) { var match = matches[ii]; + if (match && (match.isPrototypeOf(result) || match instanceof Object.constructor)) { + ...

Ubuntu Security Notice 6673-1 - Hubert Kario discovered that python-cryptography incorrectly handled errors returned by the OpenSSL API when processing incorrect padding in RSA PKCS#1 v1.5. A remote attacker could possibly use this issue to expose confidential or sensitive information. It was discovered that python-cryptography incorrectly handled memory operations when processing mismatched PKCS#12 keys. A remote attacker could possibly use this issue to cause python-cryptography to crash, leading to a denial of service. This issue only affected Ubuntu 23.10.

Ubuntu Security Notice 6672-1 - Morgan Jones discovered that Node.js incorrectly handled certain inputs that leads to false positive errors during some cryptographic operations. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 23.10. It was discovered that Node.js incorrectly handled certain inputs leaded to a untrusted search path vulnerability. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to perform a privilege escalation.

Ubuntu Security Notice 6669-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code.