# CVE-2022-0968: Integer Overflow in microweber

> Attackers can cause a Denial of Service by submitting excessively large input to the first and last name fields in Microweber.

- **Severity:** High 7.2 (`CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Mar 2022
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-5fxv-xx5p-g2fv

## What is CVE-2022-0968?

CVE-2022-0968 is a high-severity denial of service vulnerability in Microweber Microweber, published on 15 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

The microweber application allows large characters to insert in the input field "fist & last name" which can allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request. in microweber/microweber in GitHub repository microweber/microweber prior to 1.2.12.

Weakness: CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2022-0968?

2 open source packages ship an affected version, including microweber/microweber. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `microweber/microweber` | Packagist | All versions to 1.2.11 | None |
| `microweber/microweber` | Packagist | All versions to 1.2.11 | None |

Products: Microweber Microweber.

## How do I fix CVE-2022-0968?

No fix has been published for CVE-2022-0968 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-0968 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0968 exists.

Public exploit code:

- Microweber <1.2.12 - Integer Overflow (nuclei): http/cves/2022/CVE-2022-0968.yaml

## Other vulnerabilities in Microweber Microweber

- [CVE-2022-0558](https://insights.sbomify.com/CVE-2022-0558/): Cross-site Scripting (XSS) - Stored in microweber/microweber (critical 9.8)
- [CVE-2020-23138](https://insights.sbomify.com/CVE-2020-23138/): File upload in n/a (critical 9.8)
- [CVE-2022-0688](https://insights.sbomify.com/CVE-2022-0688/): Business Logic Errors in microweber/microweber (critical 9.4)
- [CVE-2022-0660](https://insights.sbomify.com/CVE-2022-0660/): Generation of Error Message Containing Sensitive Information in microweber/microweber (critical 9.4)
- [CVE-2022-0913](https://insights.sbomify.com/CVE-2022-0913/): Integer Overflow or Wraparound in microweber/microweber (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-0968 and fix it if it is affected.

What it is: CVE-2022-0968 is a high-severity denial of service vulnerability in Microweber Microweber, published on 15 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0968 exists.

Affected packages and fixed versions:
- microweber/microweber (Packagist): affected all versions up to 1.2.11; no fix listed
- microweber/microweber (Packagist): affected all versions up to 1.2.11; no fix listed

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-0968/ (Markdown: https://insights.sbomify.com/CVE-2022-0968/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-0968
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-0968
- OSV: https://osv.dev/vulnerability/CVE-2022-0968

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-0968/
Summaries are generated and may contain mistakes; the official description above is the record.