# CVE-2022-38333: Information disclosure in n/a

> Attackers can access sensitive information via crafted HTTP requests due to skip loops in header_value function in OpenWrt.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-qp52-8vgw-vfxc

## What is CVE-2022-38333?

CVE-2022-38333 is a high-severity vulnerability in Openwrt Openwrt, published on 19 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Openwrt before v21.02.3 and Openwrt v22.03.0-rc6 were discovered to contain two skip loops in the function header_value(). This vulnerability allows attackers to access sensitive information via a crafted HTTP request.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2022-38333?

It affects 1 product.


Products: Openwrt Openwrt.

## How do I fix CVE-2022-38333?

No fix has been published for CVE-2022-38333 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-38333 being exploited?

There is no known exploitation of CVE-2022-38333 in the wild and no public exploit code.

## Other vulnerabilities in Openwrt Openwrt

- [CVE-2020-28951](https://insights.sbomify.com/CVE-2020-28951/): Use after free in n/a (critical 9.8)
- [CVE-2026-62948](https://insights.sbomify.com/CVE-2026-62948/): Cross-site scripting in openwrt (critical 9.6)
- [CVE-2026-30871](https://insights.sbomify.com/CVE-2026-30871/): OpenWrt Project has Stack-based Buffer Overflow in DNS PTR Query (critical 9.5)
- [CVE-2026-30872](https://insights.sbomify.com/CVE-2026-30872/): OpenWrt Project has a Stack-based Buffer Overflow vulnerability via IPv6 reverse DNS lookup (critical 9.5)
- [CVE-2021-28961](https://insights.sbomify.com/CVE-2021-28961/): Command injection in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-38333 and fix it if it is affected.

What it is: CVE-2022-38333 is a high-severity vulnerability in Openwrt Openwrt, published on 19 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-38333 in the wild and no public exploit code.

Affected product: Openwrt Openwrt. 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-2022-38333/ (Markdown: https://insights.sbomify.com/CVE-2022-38333/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-38333
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-38333
- OSV: https://osv.dev/vulnerability/CVE-2022-38333

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-38333/
Summaries are generated and may contain mistakes; the official description above is the record.