CVE-2022-22826
expat: Integer overflow in nextScaffoldPart in xmlparse.c
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
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
la función nextScaffoldPart 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
- 2024-09-23 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-2022-22826 | 2022-11-08 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2044484 | 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
| ||||||