CVE-2022-23990
expat: integer overflow in the doProlog function
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
Expat (también se conoce como libexpat) versiones anteriores a 2.4.4, presenta un desbordamiento de enteros en la función doProlog
A flaw was found in expat. The vulnerability occurs due to large content in element type declarations when there is an element declaration handler present which leads to an integer overflow. This flaw allows an attacker to inject an unsigned integer, leading to a crash or a denial of service.
*Credits:
N/A
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
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-01-26 CVE Reserved
- 2022-01-26 CVE Published
- 2024-08-03 CVE Updated
- 2024-10-11 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| https://www.oracle.com/security-alerts/cpuapr2022.html | Third Party Advisory |
|
| https://www.tenable.com/security/tns-2022-05 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf | 2023-11-07 | |
| https://github.com/libexpat/libexpat/pull/551 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Libexpat Project Search vendor "Libexpat Project" | Libexpat Search vendor "Libexpat Project" for product "Libexpat" | < 2.4.4 Search vendor "Libexpat Project" for product "Libexpat" and version " < 2.4.4" | - |
Affected
| ||||||
| Tenable Search vendor "Tenable" | Nessus Search vendor "Tenable" for product "Nessus" | < 8.15.3 Search vendor "Tenable" for product "Nessus" and version " < 8.15.3" | - |
Affected
| ||||||
| Tenable Search vendor "Tenable" | Nessus Search vendor "Tenable" for product "Nessus" | >= 10.0.0 < 10.1.1 Search vendor "Tenable" for product "Nessus" and version " >= 10.0.0 < 10.1.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Metasolv Solution Search vendor "Oracle" for product "Communications Metasolv Solution" | 6.3.1 Search vendor "Oracle" for product "Communications Metasolv Solution" and version "6.3.1" | - |
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
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Siemens Search vendor "Siemens" | Sinema Remote Connect Server Search vendor "Siemens" for product "Sinema Remote Connect Server" | < 3.1 Search vendor "Siemens" for product "Sinema Remote Connect Server" and version " < 3.1" | - |
Affected
| ||||||