CVE-2023-29550

Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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 < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

The Mozilla Foundation Security Advisory describes this flaw as:

Mozilla developers Andrew Osmond, Sebastian Hengst, Andrew McCreight, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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.

*Credits: N/A

CVSS Scores

NISTv3.1 8.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-07 CVE Reserved
2023-04-13 CVE Published
2024-08-02 CVE Updated
2024-11-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (6)

URL	Tag	Source
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1720594%2C1812498%2C1814217%2C1818357%2C1751945%2C1818762%2C1819493%2C1820389%2C1820602%2C1821448%2C1822413%2C1824828	Issue Tracking

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2023-13	2023-11-07
https://www.mozilla.org/security/advisories/mfsa2023-14	2023-11-07
https://www.mozilla.org/security/advisories/mfsa2023-15	2023-11-07
https://access.redhat.com/security/cve/CVE-2023-29550	2023-04-17
https://bugzilla.redhat.com/show_bug.cgi?id=2186111	2023-04-17

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"				< 112.0 Search vendor "Mozilla" for product "Firefox" and version " < 112.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 112.0 Search vendor "Mozilla" for product "Firefox" and version " < 112.0"		android		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 102.10 Search vendor "Mozilla" for product "Firefox Esr" and version " < 102.10"		-		Affected
Mozilla Search vendor "Mozilla"		Focus Search vendor "Mozilla" for product "Focus"				< 112.0 Search vendor "Mozilla" for product "Focus" and version " < 112.0"		android		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 102.10 Search vendor "Mozilla" for product "Thunderbird" and version " < 102.10"		-		Affected