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CVE-2019-9793

Status Candidate

Overview

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. *Note: Spectre mitigations are currently enabled for all users by default settings.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Related Files

Red Hat Security Advisory 2019-1144-01
Posted May 13, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1144-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 60.6.1. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813
SHA-256 | 2e873f9b26d8e4c7304825179187434790568c35c75ee863e08b370cc309fa93
Red Hat Security Advisory 2019-0966-01
Posted May 7, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0966-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 60.6.1 ESR. Issues addressed include a use-after-free vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813
SHA-256 | ffaa4285ea0b86a7be83080eb435738e399a2851b88b2578de2b6ff86832514a
Ubuntu Security Notice USN-3918-4
Posted Apr 17, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3918-4 - USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility and performance issues with some websites. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, denial of service via successive FTP authorization prompts or modal alerts, trick the user with confusing permission request prompts, obtain sensitive information, conduct social engineering attacks, or execute arbitrary code. A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. If a user were tricked in to opening a specially crafted website with Spectre mitigations disabled, an attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. It was discovered that Upgrade-Insecure-Requests was incorrectly enforced for same-origin navigation. An attacker could potentially exploit this to conduct man-in-the-middle attacks. Various other issues were also addressed.

tags | advisory, web, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-9791, CVE-2019-9793, CVE-2019-9799, CVE-2019-9803, CVE-2019-9808
SHA-256 | 5b4f9b2b76b002e143884e0796cad669d48126daf811297c19395adffd7ed1c4
Gentoo Linux Security Advisory 201904-07
Posted Apr 2, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201904-7 - Multiple vulnerabilities have been found in Mozilla Thunderbird and Firefox, the worst of which could lead to the execution of arbitrary code. Versions less than 60.6.1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2016-5824, CVE-2018-18335, CVE-2018-18356, CVE-2018-18500, CVE-2018-18501, CVE-2018-18505, CVE-2018-18506, CVE-2018-18509, CVE-2018-18512, CVE-2018-18513, CVE-2019-5785, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813
SHA-256 | ec2b4c986dbf5c17d16fcedf5271919bfa322a9fb6071ad4b87d3415b399efbc
Debian Security Advisory 4420-1
Posted Apr 1, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4420-1 - Multiple security issues have been found in the Thunderbird mail client, which could lead to the execution of arbitrary code or denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, debian
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796
SHA-256 | 4c970eecaec472a377f2971b515b2f12c34c8ef22aab88f39abedb736fd391a0
Ubuntu Security Notice USN-3927-1
Posted Mar 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3927-1 - It was discovered that Thunderbird allowed PAC files to specify that requests to localhost are sent through the proxy to another server. If proxy auto-detection is enabled, an attacker could potentially exploit this to conduct attacks on local services and tools. Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2018-18506, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9810
SHA-256 | 31f9c116262cfb79aaf7ecac00f1cfd19e6694e7443bd751ab7e498952c674a7
Ubuntu Security Notice USN-3918-3
Posted Mar 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3918-3 - USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility issues with some websites. This update fixes the problem. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, denial of service via successive FTP authorization prompts or modal alerts, trick the user with confusing permission request prompts, obtain sensitive information, conduct social engineering attacks, or execute arbitrary code. A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. If a user were tricked in to opening a specially crafted website with Spectre mitigations disabled, an attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. It was discovered that Upgrade-Insecure-Requests was incorrectly enforced for same-origin navigation. An attacker could potentially exploit this to conduct man-in-the-middle attacks. Various other issues were also addressed.

tags | advisory, web, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-9791, CVE-2019-9793, CVE-2019-9799, CVE-2019-9803, CVE-2019-9808
SHA-256 | c8fd9d8ab5cd95e9687bd37b17543aed9f243feba6dac966b7dd30515278f573
Red Hat Security Advisory 2019-0681-01
Posted Mar 28, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0681-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 60.6.1. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813
SHA-256 | a1486c6e1fe457cdd37294b00bcfd9666818f80098ec3078a42437a5b36b64b0
Red Hat Security Advisory 2019-0680-01
Posted Mar 28, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0680-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 60.6.1. Issues addressed include a use-after-free vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813
SHA-256 | a3960d8852a7b0389942bc12f66d26ac8c372453dd98cd9423aa0334c3c9745a
Ubuntu Security Notice USN-3918-2
Posted Mar 25, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3918-2 - USN-3918-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubuntu 14.04 LTS. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, denial of service via successive FTP authorization prompts or modal alerts, trick the user with confusing permission request prompts, obtain sensitive information, conduct social engineering attacks, or execute arbitrary code. A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. If a user were tricked in to opening a specially crafted website with Spectre mitigations disabled, an attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. It was discovered that Upgrade-Insecure-Requests was incorrectly enforced for same-origin navigation. An attacker could potentially exploit this to conduct man-in-the-middle attacks. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-9788, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9797, CVE-2019-9799, CVE-2019-9803, CVE-2019-9805, CVE-2019-9808, CVE-2019-9809
SHA-256 | baa25a5f9ae8648296e1f99c1966e7547781f61b5bdbdab8d20e439a175726f1
Ubuntu Security Notice USN-3918-1
Posted Mar 22, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3918-1 - Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, denial of service via successive FTP authorization prompts or modal alerts, trick the user with confusing permission request prompts, obtain sensitive information, conduct social engineering attacks, or execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-9788, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9797, CVE-2019-9799, CVE-2019-9802, CVE-2019-9803, CVE-2019-9805, CVE-2019-9808, CVE-2019-9809
SHA-256 | b4e53350aa233dd662095955993165e828a24f646ecc4eecc6a42c2dd5ddab2b
Debian Security Advisory 4411-1
Posted Mar 21, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4411-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.

tags | advisory, web, arbitrary
systems | linux, debian
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796
SHA-256 | fcb18ad0cad11263764d2fdaa5e06b6c637d6f41a772527426afc3ddb7b92a21
Red Hat Security Advisory 2019-0623-01
Posted Mar 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0623-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 60.6.0 ESR. Issues addressed include a use-after-free vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796
SHA-256 | 547dfa2def27e1d54b0d1955063834aa3a83fcbdf19f5d4eef21a344cd7b58c6
Red Hat Security Advisory 2019-0622-01
Posted Mar 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0622-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 60.6.0 ESR. Issues addressed include a use-after-free vulnerability.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796
SHA-256 | 70e0d9165a2c8dadc88f6faf5fe0aa21dadb4c62e2df243fd68b587705d97629
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