# CVE-2018-7194: Integer overflow in n/a

> Remote attackers can cause denial of service by preventing new ticket creation via large digit inputs in the ticket number format setting.

- **Severity:** Medium 4.9 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Mar 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-85vj-h537-h9hr

## What is CVE-2018-7194?

CVE-2018-7194 is a medium-severity vulnerability in n/a, published on 27 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Integer format vulnerability in the ticket number generator in Enhancesoft osTicket before 1.10.2 allows remote attackers to cause a denial-of-service (preventing the creation of new tickets) via a large number of digits in the ticket number format setting.

Weakness: CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2018-7194?

It affects 1 product.


Products: Enhancesoft Osticket.

## How do I fix CVE-2018-7194?

No fix has been published for CVE-2018-7194 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-7194 being exploited?

There is no known exploitation of CVE-2018-7194 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2021-42235](https://insights.sbomify.com/CVE-2021-42235/): SQL injection in n/a (critical 9.8)
- [CVE-2020-24881](https://insights.sbomify.com/CVE-2020-24881/): Server-side request forgery in n/a (critical 9.8)
- [CVE-2022-31888](https://insights.sbomify.com/CVE-2022-31888/): Other in n/a (high 8.8)
- [CVE-2019-14749](https://insights.sbomify.com/CVE-2019-14749/): Other in n/a (high 8.8)
- [CVE-2026-22200](https://insights.sbomify.com/CVE-2026-22200/): osTicket (1.18.x < 1.18.3, 1.17.x < 1.17.7) PDF Export Arbitrary File Read (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-7194 and fix it if it is affected.

What it is: CVE-2018-7194 is a medium-severity vulnerability in n/a, published on 27 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-7194 in the wild and no public exploit code.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2018-7194/ (Markdown: https://insights.sbomify.com/CVE-2018-7194/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-7194
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-7194
- OSV: https://osv.dev/vulnerability/CVE-2018-7194

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-7194/
Summaries are generated and may contain mistakes; the official description above is the record.
