PHP yaml_parse_url Unsafe Deserialization Vulnerability

The PHP unserialize function is considered unsafe due to its behavior regarding class instantiation; in cases where serialized data is attacker controlled, it can be tampered with, allowing for the instantiation of arbitrary PHP classes and thus code execution via destructor. Title: PHP...

Deserialization Code Execution

Overview Versions 2.0.4 and earlier of js-yaml are affected by a code execution vulnerability in the YAML deserializer. Proof of Concept const yaml = require'js-yaml'; const x = test: !!js/function function f console.log1; ; yaml.loadx; Recommendation Update js-yaml to version 2.0.5 or later, and...

Heap Based Buffer Overflow

Overview Versions 0.2.2 and earlier depend on native libyaml version 0.1.5 or earlier. As such, they are affected by a heap-based buffer overflow vulnerability that may result in a crash or arbitrary code execution when parsing YAML tags. Recommendation - Update to version 0.2.3 that includes a...

Amazon Linux: Security Advisory (ALAS-2014-324)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Amazon Linux: Security Advisory (ALAS-2015-482)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Amazon Linux: Security Advisory (ALAS-2012-69)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

FreeBSD : p5-Dancer -- possible to abuse session cookie values (968d1e74-1740-11e5-a643-40a8f0757fb4)

Russell Jenkins reports : It was possible to abuse session cookie values so that file-based session stores such as Dancer::Session::YAML or Dancer2::Session::YAML would attempt to read/write from any file on the filesystem with the same extension the file-based store uses, such as '.yml' for the...

p5-Dancer -- possible to abuse session cookie values

Russell Jenkins reports: It was possible to abuse session cookie values so that file-based session stores such as Dancer::Session::YAML or Dancer2::Session::YAML would attempt to read/write from any file on the filesystem with the same extension the file-based store uses, such as '.yml' for the...

SUSE SLED12 / SLES12 Security Update : perl-YAML-LibYAML (SUSE-SU-2015:0953-2)

perl-YAML-LibYAML was updated to fix three security issues. These security issues were fixed : - CVE-2013-6393: The yamlparserscantaguri function in scanner.c in LibYAML before 0.1.5 performed an incorrect cast, which allowed remote attackers to cause a denial of service application crash and...

SUSE SLES12 Security Update : perl-YAML-LibYAML (SUSE-SU-2015:0953-1)

perl-YAML-LibYAML was updated to fix three security issues. These security issues were fixed : - CVE-2013-6393: The yamlparserscantaguri function in scanner.c in LibYAML before 0.1.5 performed an incorrect cast, which allowed remote attackers to cause a denial of service application crash and...

Internet Bug Bounty: PHP yaml_parse/yaml_parse_file/yaml_parse_url Unsafe Deserialization

https://bugs.php.net/bug.php?id=69617 Description: ------------ The PHP unserialize function is considered unsafe due to its behavior regarding class instantiation; in cases where serialized data is attacker controlled, it can be tampered with, allowing for the instantiation of arbitrary PHP...

open-uri-cached Gem for Ruby Unsafe Temporary File Creation Local Privilege Escalation

open-uri-cached Gem for Ruby contains a flaw that is due to the program creating temporary files in a predictable, unsafe manner when using YAML. This may allow a local attacker to gain elevated privileges...

[SECURITY] Fedora 22 Update: PyYAML-3.11-7.fc22

YAML is a data serialization format designed for human readability and interaction with scripting languages. PyYAML is a YAML parser and emitter for Python. PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support, capable extension API, and sensible error messages. PyYAML...

[SECURITY] Fedora 20 Update: PyYAML-3.10-11.fc20

YAML is a data serialization format designed for human readability and interaction with scripting languages. PyYAML is a YAML parser and emitter for Python. PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support, capable extension API, and sensible error messages. PyYAML...

[SECURITY] Fedora 21 Update: PyYAML-3.11-7.fc21

YAML is a data serialization format designed for human readability and interaction with scripting languages. PyYAML is a YAML parser and emitter for Python. PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support, capable extension API, and sensible error messages. PyYAML...

Debian DLA-109-1 : libyaml-libyaml-perl security update

Jonathan Gray and Stanislaw Pitucha found an assertion failure in the way wrapped strings are parsed in LibYAML, a fast YAML 1.1 parser and emitter library. An attacker able to load specially crafted YAML input into an application using libyaml could cause the application to crash. This update...

Debian DLA-110-1 : libyaml security update

Jonathan Gray and Stanislaw Pitucha found an assertion failure in the way wrapped strings are parsed in LibYAML, a fast YAML 1.1 parser and emitter library. An attacker able to load specially crafted YAML input into an application using libyaml could cause the application to crash. NOTE: Tenable...

Debian DLA-127-1 : pyyaml security update

Jonathan Gray and Stanislaw Pitucha found an assertion failure in the way wrapped strings are parsed in Python-YAML, a YAML parser and emitter for Python. An attacker able to load specially crafted YAML input into an application using python-yaml could cause the application to crash. NOTE: Tenabl...

libyaml: assert failure when processing wrapped strings

An assertion failure was found in the way the libyaml library parsed wrapped strings. An attacker able to load specially crafted YAML input into an application using libyaml could cause the application to crash...

Moderate: Red Hat Security Advisory: libyaml security update

Updated libyaml packages that fix one security issue are now available for Red Hat Enterprise Linux OpenStack Platform 4.0 and 5.0 for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base...