CVE-2018-12376

Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Hay errores de seguridad de memoria en Firefox 61 y Firefox ESR 60.1. Algunos de estos errores mostraron evidencias de corrupción de memoria y se entiende que, con el suficiente esfuerzo, algunos de estos podrían explotarse para ejecutar código arbitrario. La vulnerabilidad afecta a Firefox en versiones anteriores a la 62, Firefox ESR en versiones anteriores a la 60.2. y Thunderbird en versiones anteriores a la 60.2.1.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-06-14 CVE Reserved
2018-09-08 CVE Published
2024-08-05 CVE Updated
2024-11-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (19)

URL	Tag	Source
http://www.securityfocus.com/bid/105280	Third Party Advisory
http://www.securitytracker.com/id/1041610	Third Party Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849	Issue Tracking
https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2018:2692	2018-12-06
https://access.redhat.com/errata/RHSA-2018:2693	2018-12-06
https://access.redhat.com/errata/RHSA-2018:3403	2018-12-06
https://access.redhat.com/errata/RHSA-2018:3458	2018-12-06
https://security.gentoo.org/glsa/201810-01	2018-12-06
https://security.gentoo.org/glsa/201811-13	2018-12-06
https://usn.ubuntu.com/3761-1	2018-12-06
https://usn.ubuntu.com/3793-1	2018-12-06
https://www.debian.org/security/2018/dsa-4287	2018-12-06
https://www.debian.org/security/2018/dsa-4327	2018-12-06
https://www.mozilla.org/security/advisories/mfsa2018-20	2018-12-06
https://www.mozilla.org/security/advisories/mfsa2018-21	2018-12-06
https://www.mozilla.org/security/advisories/mfsa2018-25	2018-12-06
https://access.redhat.com/security/cve/CVE-2018-12376	2018-11-05
https://bugzilla.redhat.com/show_bug.cgi?id=1625525	2018-11-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Eus Search vendor "Redhat" for product "Enterprise Linux Server Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		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"		lts		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
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 62.0 Search vendor "Mozilla" for product "Firefox" and version " < 62.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 60.2.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 60.2.0"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 60.2.1 Search vendor "Mozilla" for product "Thunderbird" and version " < 60.2.1"		-		Affected