# CVE-2022-34772: Tabit - password enumeration

> Attackers can bypass authentication by repeatedly resending 4-digit OTPs due to missing rate limiting, leading to account takeover.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Aug 2022
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-c38h-5gmx-rf6h

## What is CVE-2022-34772?

CVE-2022-34772 is a medium-severity authentication bypass vulnerability in Tabit, published on 22 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Tabit - password enumeration. Description: Tabit - password enumeration. The passwords for the Tabit system is a 4 digit OTP. One can resend OTP and try logging in indefinitely. Once again, this is an example of OWASP: API4 - Rate limiting.

Weakness: CWE-521 (Weak Password Requirements)

## Which versions are affected by CVE-2022-34772?

It affects 1 product.


Products: Tabit Tabit.

## How do I fix CVE-2022-34772?

No fix has been published for CVE-2022-34772 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-34772 being exploited?

There is no known exploitation of CVE-2022-34772 in the wild and no public exploit code.

## Other vulnerabilities in Tabit

- [CVE-2022-34774](https://insights.sbomify.com/CVE-2022-34774/): Tabit - Arbitrary account modification (medium 6.3)
- [CVE-2022-34775](https://insights.sbomify.com/CVE-2022-34775/): Tabit - Excessive data exposure (medium 6.3)
- [CVE-2022-34771](https://insights.sbomify.com/CVE-2022-34771/): Tabit - arbitrary SMS send on Tabits behalf (medium 5.5)
- [CVE-2022-34776](https://insights.sbomify.com/CVE-2022-34776/): Tabit - giftcard stealth (medium 5.5)
- [CVE-2022-34773](https://insights.sbomify.com/CVE-2022-34773/): Tabit - HTTP Method manipulation (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-34772 and fix it if it is affected.

What it is: CVE-2022-34772 is a medium-severity authentication bypass vulnerability in Tabit, published on 22 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-34772 in the wild and no public exploit code.

Affected product: Tabit. 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-2022-34772/ (Markdown: https://insights.sbomify.com/CVE-2022-34772/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-34772
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-34772
- OSV: https://osv.dev/vulnerability/CVE-2022-34772

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-34772/
Summaries are generated and may contain mistakes; the official description above is the record.