# CVE-2023-45875: Information disclosure in n/a

> Attackers can read private keys from debug logs when adding older nodes to a Couchbase cluster, compromising security.

- **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:** 8 Nov 2023
- **Updated:** 4 Sep 2024
- **Also known as:** GHSA-cm77-ccvm-f7p6, PYSEC-2023-235

## What is CVE-2023-45875?

CVE-2023-45875 is a high-severity vulnerability in Couchbase Couchbase Server, published on 8 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An issue was discovered in Couchbase Server 7.2.0. There is a private key leak in debug.log while adding a pre-7.0 node to a 7.2 cluster.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-45875?

1 open source package ship an affected version, including couchbase. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `couchbase` | PyPI | All versions | None |

Products: Couchbase Couchbase Server.

## How do I fix CVE-2023-45875?

No fix has been published for CVE-2023-45875 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-45875 being exploited?

There is no known exploitation of CVE-2023-45875 in the wild and no public exploit code.

## Other vulnerabilities in Couchbase Couchbase Server

- [CVE-2024-0519](https://insights.sbomify.com/CVE-2024-0519/): Google Chromium V8 Out-of-Bounds Memory Access (high 8.8, exploited in the wild)
- [CVE-2023-3079](https://insights.sbomify.com/CVE-2023-3079/): Google Chromium V8 Type Confusion (high 8.8, exploited in the wild)
- [CVE-2023-2033](https://insights.sbomify.com/CVE-2023-2033/): Google Chromium V8 Type Confusion (high 8.8, exploited in the wild)
- [CVE-2023-49930](https://insights.sbomify.com/CVE-2023-49930/): Missing authorization in n/a (critical 9.8)
- [CVE-2023-49931](https://insights.sbomify.com/CVE-2023-49931/): Missing authorization in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-45875 and fix it if it is affected.

What it is: CVE-2023-45875 is a high-severity vulnerability in Couchbase Couchbase Server, published on 8 Nov 2023. 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-2023-45875 in the wild and no public exploit code.

Affected packages and fixed versions:
- couchbase (PyPI): affected all versions; 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-2023-45875/ (Markdown: https://insights.sbomify.com/CVE-2023-45875/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-45875
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-45875
- OSV: https://osv.dev/vulnerability/CVE-2023-45875

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-45875/
Summaries are generated and may contain mistakes; the official description above is the record.