CVE-2022-22823
expat: Integer overflow in build_model in xmlparse.c
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
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
la función build_model en el archivo xmlparse.c en Expat (también se conoce como libexpat) versiones anteriores a 2.4.3, presenta un desbordamiento de enteros
expat (libexpat) is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to integer overflow. The highest threat from this vulnerability is to availability, confidentiality and integrity.
*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
- 2022-01-08 CVE Reserved
- 2022-01-08 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-14 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/17/3 | Mailing List |
|
| https://github.com/libexpat/libexpat/pull/539 | 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 | 2022-10-06 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202209-24 | 2022-10-06 | |
| https://www.debian.org/security/2022/dsa-5073 | 2022-10-06 | |
| https://access.redhat.com/security/cve/CVE-2022-22823 | 2022-11-08 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2044464 | 2022-11-08 |
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" | < 2.4.3 Search vendor "Libexpat Project" for product "Libexpat" and version " < 2.4.3" | - |
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
| ||||||
| 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
| ||||||
| 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
| ||||||