CVE-2020-1916
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An incorrect size calculation in ldap_escape may lead to an integer overflow when overly long input is passed in, resulting in an out-of-bounds write. This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0.
Un cálculo de tamaño incorrecto en la función ldap_escape puede conllevar a un desbordamiento de enteros cuando es pasada una entrada demasiado larga, resultando en una escritura fuera de límites. Este problema afecta a HHVM versiones anteriores a 4.56.2, todas las versiones entre 4.57.0 y 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0
*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
- 2019-12-02 CVE Reserved
- 2021-03-10 CVE Published
- 2023-11-24 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-122: Heap-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4 | 2021-03-17 |
| URL | Date | SRC |
|---|---|---|
| https://hhvm.com/blog/2020/11/12/security-update.html | 2021-03-17 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | < 4.56.2 Search vendor "Facebook" for product "Hhvm" and version " < 4.56.2" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | >= 4.57.0 < 4.78.1 Search vendor "Facebook" for product "Hhvm" and version " >= 4.57.0 < 4.78.1" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 4.79.0 Search vendor "Facebook" for product "Hhvm" and version "4.79.0" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 4.80.0 Search vendor "Facebook" for product "Hhvm" and version "4.80.0" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 4.81.0 Search vendor "Facebook" for product "Hhvm" and version "4.81.0" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 4.82.0 Search vendor "Facebook" for product "Hhvm" and version "4.82.0" | - |
Affected
| ||||||
| Facebook Search vendor "Facebook" | Hhvm Search vendor "Facebook" for product "Hhvm" | 4.83.0 Search vendor "Facebook" for product "Hhvm" and version "4.83.0" | - |
Affected
| ||||||