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CVE-2014-2525

Status Candidate

Overview

Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.

Related Files

Mandriva Linux Security Advisory 2015-060
Posted Mar 16, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-060 - Florian Weimer of the Red Hat Product Security Team discovered a heap-based buffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a YAML document with a specially-crafted tag that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. 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.

tags | advisory, remote, overflow, arbitrary
systems | linux, redhat, mandriva
advisories | CVE-2013-6393, CVE-2014-2525, CVE-2014-9130
MD5 | 58623aa93e3abcf6f58d5b3c93e753fd
Apple Security Advisory 2014-09-17-3
Posted Sep 19, 2014
Authored by Apple | Site apple.com

Apple Security Advisory 2014-09-17-3 - OS X Mavericks 10.9.5 and Security Update 2014-004 are now available and address PHP code execution, Bluetooth API validation, PDF handling, and various other vulnerabilities.

tags | advisory, php, vulnerability, code execution
systems | apple, osx
advisories | CVE-2013-7345, CVE-2014-0076, CVE-2014-0185, CVE-2014-0195, CVE-2014-0207, CVE-2014-0221, CVE-2014-0224, CVE-2014-0237, CVE-2014-0238, CVE-2014-1391, CVE-2014-1943, CVE-2014-2270, CVE-2014-2525, CVE-2014-3470, CVE-2014-3478, CVE-2014-3479, CVE-2014-3480, CVE-2014-3487, CVE-2014-3515, CVE-2014-3981, CVE-2014-4049, CVE-2014-4350, CVE-2014-4374, CVE-2014-4376, CVE-2014-4377, CVE-2014-4378, CVE-2014-4379, CVE-2014-4381
MD5 | fc28042ffd26443278d5bacc74e2c78e
Gentoo Linux Security Advisory 201405-27
Posted May 23, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201405-27 - A vulnerability in LibYAML could allow an attacker to execute arbitrary code or cause a Denial of Service condition. Versions less than 0.1.6 are affected.

tags | advisory, denial of service, arbitrary
systems | linux, gentoo
advisories | CVE-2014-2525
MD5 | 71f20a12c073d906444fde8af522dbba
Slackware Security Advisory - libyaml Updates
Posted Apr 22, 2014
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New libyaml packages are available for Slackware 13.1, 13.37, 14.0, 14.1, and -current to fix a security issue.

tags | advisory
systems | linux, slackware
advisories | CVE-2014-2525
MD5 | a1fbe1c8d10093908ff4eda5badc233f
Red Hat Security Advisory 2014-0415-01
Posted Apr 17, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0415-01 - YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C. A buffer overflow flaw was found in the way the libyaml library parsed URLs in YAML documents. An attacker able to load specially crafted YAML input to an application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. An integer overflow flaw was found in the way the libyaml library handled excessively long YAML tags. An attacker able to load specially crafted YAML input to application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | 0bd4696e9c1502e08477406df9c325e1
Mandriva Linux Security Advisory 2014-070
Posted Apr 9, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-070 - Florian Weimer of the Red Hat Product Security Team discovered a heap-based buffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a YAML document with a specially-crafted tag that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, remote, overflow, arbitrary
systems | linux, redhat, mandriva
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | 433d7383870da24a01d6adc1f108f4be
Mandriva Linux Security Advisory 2014-071
Posted Apr 9, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-071 - Updated yaml package fixes security vulnerability. Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, remote, overflow, arbitrary
systems | linux, mandriva
advisories | CVE-2014-2525
MD5 | 8f84536f636dd2a174e76c6fa299d98a
Mandriva Linux Security Advisory 2014-069
Posted Apr 9, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-069 - Florian Weimer of the Red Hat Product Security Team discovered a heap-based buffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a YAML document with a specially-crafted tag that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. The perl-YAML-LibYAML package is being updated as it contains an embedded copy of LibYAML.

tags | advisory, remote, overflow, arbitrary, perl
systems | linux, redhat, mandriva
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | 3b3ef2b8dc99c854135c54e00277d9a9
Ubuntu Security Notice USN-2161-1
Posted Apr 3, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2161-1 - Florian Weimer discovered that libyaml-libyaml-perl incorrectly handled certain large YAML documents. An attacker could use this issue to cause libyaml-libyaml-perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Ivan Fratric discovered that libyaml-libyaml-perl incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause libyaml-libyaml-perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, perl
systems | linux, ubuntu
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | 09442a8a9385a2d62d158801e2ef9c8b
Ubuntu Security Notice USN-2160-1
Posted Apr 3, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2160-1 - Ivan Fratric discovered that LibYAML incorrectly handled certain malformed YAML documents. An attacker could use this issue to cause LibYAML to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-2525
MD5 | 63f62cd936b622ba5ebda4adab175c30
Red Hat Security Advisory 2014-0364-01
Posted Apr 3, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0364-01 - YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C. A buffer overflow flaw was found in the way the libyaml library parsed URLs in YAML documents. An attacker able to load specially crafted YAML input to an application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. An integer overflow flaw was found in the way the libyaml library handled excessively long YAML tags. An attacker able to load specially crafted YAML input to application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | a19f85bf4086b9e8aeee3563bcd0a0cb
Red Hat Security Advisory 2014-0355-01
Posted Apr 2, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0355-01 - YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C. A buffer overflow flaw was found in the way the libyaml library parsed URLs in YAML documents. An attacker able to load specially crafted YAML input to an application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. An integer overflow flaw was found in the way the libyaml library handled excessively long YAML tags. An attacker able to load specially crafted YAML input to application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | d5e074c7553669f2e3ed7dd319aa19d0
Red Hat Security Advisory 2014-0354-01
Posted Apr 2, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0354-01 - YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C. A buffer overflow flaw was found in the way the libyaml library parsed URLs in YAML documents. An attacker able to load specially crafted YAML input to an application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. An integer overflow flaw was found in the way the libyaml library handled excessively long YAML tags. An attacker able to load specially crafted YAML input to application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | b02ce07f0009e4f769d1a6d889bd46f4
Red Hat Security Advisory 2014-0353-01
Posted Apr 2, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0353-01 - YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C. A buffer overflow flaw was found in the way the libyaml library parsed URLs in YAML documents. An attacker able to load specially crafted YAML input to an application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. An integer overflow flaw was found in the way the libyaml library handled excessively long YAML tags. An attacker able to load specially crafted YAML input to application using libyaml could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6393, CVE-2014-2525
MD5 | 5c222a418764448bd109f3f1b928b59b
LibYAML 0.1.5 Buffer Overflow
Posted Mar 28, 2014
Authored by Andrea Barisani, Open Source CERT

LibYAML versions 0.1.5 and below are affected by a heap-based buffer overflow which can lead to arbitrary code execution. The vulnerability is caused by lack of proper expansion for the string passed to the yaml_parser_scan_uri_escapes() function. A specially crafted YAML file, with a long sequence of percent-encoded characters in a URL, can be used to trigger the overflow.

tags | advisory, overflow, arbitrary, code execution
advisories | CVE-2014-2525
MD5 | ac045385785224679f4d12e08802ffed
Debian Security Advisory 2885-1
Posted Mar 26, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2885-1 - Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, remote, overflow, arbitrary
systems | linux, debian
advisories | CVE-2014-2525
MD5 | 16dc401d7ee339ad4e9f9e102b361c25
Debian Security Advisory 2884-1
Posted Mar 26, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2884-1 - Ivan Fratric of the Google Security Team discovered a heap-based buffer overflow vulnerability in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a specially-crafted YAML document that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application.

tags | advisory, remote, overflow, arbitrary
systems | linux, debian
advisories | CVE-2014-2525
MD5 | 82f05121cc2a7e2d70fb0e256d2104b3
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