CVE-2019-17011

Mozilla: Use-after-free when retrieving a document in antitracking

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Bajo determinadas condiciones, al recuperar un documento desde un DocShell en el código antitracking, una condición de carrera podría causar un condición de uso de la memoria previamente liberada y un bloqueo explotable potencialmente. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a la versión 68.3, Firefox ESR versiones anteriores a la versión 68.3 y Firefox versiones anteriores a la versión 71.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-09-30 CVE Reserved
2019-12-04 CVE Published
2024-05-03 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416: Use After Free

CAPEC

References (14)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1591334	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html	2022-04-08
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html	2022-04-08
https://access.redhat.com/errata/RHSA-2020:0292	2022-04-08
https://access.redhat.com/errata/RHSA-2020:0295	2022-04-08
https://security.gentoo.org/glsa/202003-02	2022-04-08
https://security.gentoo.org/glsa/202003-10	2022-04-08
https://usn.ubuntu.com/4241-1	2022-04-08
https://usn.ubuntu.com/4335-1	2022-04-08
https://www.mozilla.org/security/advisories/mfsa2019-36	2022-04-08
https://www.mozilla.org/security/advisories/mfsa2019-37	2022-04-08
https://www.mozilla.org/security/advisories/mfsa2019-38	2022-04-08
https://access.redhat.com/security/cve/CVE-2019-17011	2020-01-30
https://bugzilla.redhat.com/show_bug.cgi?id=1779436	2020-01-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 71.0 Search vendor "Mozilla" for product "Firefox" and version " < 71.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 68.3 Search vendor "Mozilla" for product "Firefox Esr" and version " < 68.3"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 68.3 Search vendor "Mozilla" for product "Thunderbird" and version " < 68.3"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected