CVE-2023-6205
Mozilla: Use-after-free in MessagePort::Entangled
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Era posible provocar el uso de un MessagePort después de que ya se había liberado, lo que podría haber provocado un fallo explotable. Esta vulnerabilidad afecta a Firefox < 120, Firefox < 115.5 y Thunderbird < 115.5.0.
The Mozilla Foundation Security Advisory describes this flaw as:
It was possible to cause the use of a MessagePort after it had already
been freed, which could potentially have led to an exploitable crash.
*Credits:
Yangkang of 360 ATA Team
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-11-20 CVE Reserved
- 2023-11-21 CVE Published
- 2023-12-01 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html |
|
|
| https://www.debian.org/security/2023/dsa-5561 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2023-49 | 2023-11-30 | |
| https://www.mozilla.org/security/advisories/mfsa2023-50 | 2023-11-30 | |
| https://www.mozilla.org/security/advisories/mfsa2023-52 | 2023-11-30 | |
| https://access.redhat.com/security/cve/CVE-2023-6205 | 2023-11-29 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2250897 | 2023-11-29 |
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" | < 120.0 Search vendor "Mozilla" for product "Firefox" and version " < 120.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 115.5.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 115.5.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 115.5 Search vendor "Mozilla" for product "Thunderbird" and version " < 115.5" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0" | - |
Affected
| ||||||