What is the CVSS score of CVE-2022-37454?

CVE-2022-37454 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.2%.

Is there a public PoC exploit available for CVE-2022-37454?

Yes, a public proof-of-concept exploit is available for CVE-2022-37454. Prioritise patching immediately. EPSS: 5.2%.

Is there a patch available for CVE-2022-37454?

Yes, a patch is available for CVE-2022-37454. Update the affected software to the latest version immediately.

PHP CVE-2022-37454

CRITICAL

Integer Overflow or Wraparound (CWE-190)

2022-10-21 cve@mitre.org

PHP RCE Buffer Overflow Python Integer Overflow Debian Debian Linux Fedora Extended Keccak Code Package Sha3 Pysha3 Pypy Fedoraproject

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 21, 2022 - 06:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

217 pypi packages depend on pysha3 (129 direct, 90 indirect)

Ecosystem-wide dependent count for version 1.0.2.

DescriptionNVD

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

AnalysisAI

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface. Affected products include: Extended Keccak Code Package Project Extended Keccak Code Package, Debian Debian Linux, Fedoraproject Fedora, Php, Python.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.