CVE-2020-15656
Mozilla: Type confusion for special arguments in IonMonkey
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Las optimizaciones JIT que involucran el objeto de argumentos de Javascript podrían confundir optimizaciones posteriores. Este riesgo ya fue mitigado por varias precauciones en el código, resultando en este error calificado con una severidad moderada. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 78.1, Firefox versiones anteriores a 79 y Thunderbird versiones anteriores a 78.1
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-07-10 CVE Reserved
- 2020-07-30 CVE Published
- 2024-07-17 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
References (7)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html | 2023-02-02 | |
| https://usn.ubuntu.com/4443-1 | 2023-02-02 | |
| https://www.mozilla.org/security/advisories/mfsa2020-30 | 2023-02-02 | |
| https://www.mozilla.org/security/advisories/mfsa2020-32 | 2023-02-02 | |
| https://www.mozilla.org/security/advisories/mfsa2020-33 | 2023-02-02 | |
| https://access.redhat.com/security/cve/CVE-2020-15656 | 2020-09-30 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1861646 | 2020-09-30 |
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" | < 79.0 Search vendor "Mozilla" for product "Firefox" and version " < 79.0" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Firefox Esr Search vendor "Mozilla" for product "Firefox Esr" | < 78.1 Search vendor "Mozilla" for product "Firefox Esr" and version " < 78.1" | - |
Affected
| ||||||
| Mozilla Search vendor "Mozilla" | Thunderbird Search vendor "Mozilla" for product "Thunderbird" | < 78.1 Search vendor "Mozilla" for product "Thunderbird" and version " < 78.1" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.2 Search vendor "Opensuse" for product "Leap" and version "15.2" | - |
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" | esm |
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
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04" | lts |
Affected
| ||||||