What is the CVSS score of CVE-2022-44311?

CVE-2022-44311 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2022-44311?

Yes, a public proof-of-concept exploit is available for CVE-2022-44311. Prioritise patching immediately. EPSS: 1.1%.

Html2Xhtml CVE-2022-44311

HIGH

Out-of-bounds Read (CWE-125)

2022-11-08 cve@mitre.org

Information Disclosure Denial Of Service Buffer Overflow Html2Xhtml

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 08, 2022 - 15:15 nvd

HIGH 8.1

DescriptionNVD

html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. This vulnerability allows attackers to access sensitive files or cause a Denial of Service (DoS) via a crafted html file.

AnalysisAI

html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. This vulnerability allows attackers to access sensitive files or cause a Denial of Service (DoS) via a crafted html file. Affected products include: Html2Xhtml Project Html2Xhtml.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.