CVE-2023-32215

Mozilla: Memory safety bugs fixed in Firefox 113 and Firefox ESR 102.11

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers and community members reported memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Irvan Kurniawan discovered that Firefox did not properly manage memory when using RLBox Expat driver. An attacker could potentially exploits this issue to cause a denial of service.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-05-04 CVE Reserved
2023-05-11 CVE Published
2024-08-02 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787: Out-of-bounds Write

CAPEC

References (8)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1540883%2C1751943%2C1814856%2C1820210%2C1821480%2C1827019%2C1827024%2C1827144%2C1827359%2C1830186	2024-01-07
https://security.gentoo.org/glsa/202312-03	2024-01-07
https://security.gentoo.org/glsa/202401-10	2024-01-07
https://www.mozilla.org/security/advisories/mfsa2023-16	2024-01-07
https://www.mozilla.org/security/advisories/mfsa2023-17	2024-01-07
https://www.mozilla.org/security/advisories/mfsa2023-18	2024-01-07
https://access.redhat.com/security/cve/CVE-2023-32215	2023-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=2196753	2023-05-18

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"				< 113.0 Search vendor "Mozilla" for product "Firefox" and version " < 113.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 102.11 Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.11"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 102.11 Search vendor "Mozilla" for product "Thunderbird" and version " < 102.11"		-		Affected