# CVE-2016-15028: ICEPAY REST-API-NET Checksum Validation RestClient.cs RestClient integrity check

> Attackers can bypass integrity checks in the ICEPAY REST-API-NET library, potentially allowing unauthorized or tampered API interactions.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Mar 2023
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-w8r2-74gc-w7rr

## What is CVE-2016-15028?

CVE-2016-15028 is a medium-severity vulnerability in ICEPAY REST-API-NET, published on 12 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in ICEPAY REST-API-NET 0.9. It has been declared as problematic. Affected by this vulnerability is the function RestClient of the file Classes/RestClient.cs of the component Checksum Validation. The manipulation leads to improper validation of integrity check value. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.0 is able to address this issue. The patch is named 61f6b8758e5c971abff5f901cfa9f231052b775f. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-222847.

Weakness: CWE-354 (Improper Validation of Integrity Check Value)

## Which versions are affected by CVE-2016-15028?

It affects 1 product.


Products: Icepay Rest Api.

## How do I fix CVE-2016-15028?

No fix has been published for CVE-2016-15028 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-15028 being exploited?

There is no known exploitation of CVE-2016-15028 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-15028 and fix it if it is affected.

What it is: CVE-2016-15028 is a medium-severity vulnerability in ICEPAY REST-API-NET, published on 12 Mar 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-2016-15028 in the wild and no public exploit code.

Affected product: ICEPAY REST-API-NET. 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-2016-15028/ (Markdown: https://insights.sbomify.com/CVE-2016-15028/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-15028
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-15028
- OSV: https://osv.dev/vulnerability/CVE-2016-15028

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-15028/
Summaries are generated and may contain mistakes; the official description above is the record.