CVE-2022-1097

Mozilla: Use-after-free in NSSToken objects

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Se hacía referencia a los objetos <code>NSSToken</code> a través de puntos directos y se podría haber accedido a ellos de forma insegura en diferentes subprocesos, lo que provocó un use after free y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird < 91.8, Firefox < 99 y Firefox ESR < 91.8.

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

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

2022-03-25 CVE Reserved
2022-04-08 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-08-12 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-416: Use After Free

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://bugzilla.mozilla.org/show_bug.cgi?id=1745667	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-13	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-14	2022-12-29
https://www.mozilla.org/security/advisories/mfsa2022-15	2022-12-29
https://access.redhat.com/security/cve/CVE-2022-1097	2022-04-12
https://bugzilla.redhat.com/show_bug.cgi?id=2072559	2022-04-12

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"				< 99.0 Search vendor "Mozilla" for product "Firefox" and version " < 99.0"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"				< 91.8 Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.8"		-		Affected
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.8 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.8"		-		Affected