# CVE-2012-1443: Security feature bypass in n/a

> Attackers can bypass malware detection in numerous antivirus products by crafting RAR files with specific headers, requiring user interaction to open the file.

- **Severity:** Medium 4.3 (`AV:N/AC:M/Au:N/C:N/I:P/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 21 Mar 2012
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-vpv6-p582-58cq

## What is CVE-2012-1443?

CVE-2012-1443 is a medium-severity vulnerability in Clamav Clamav, published on 21 Mar 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus 4.2.254.0, Antiy Labs AVL SDK 2.0.3.7, K7 AntiVirus 9.77.3565, Trend Micro HouseCall 9.120.0.1004, Kaspersky Anti-Virus 7.0.0.125, Jiangmin Antivirus 13.0.900, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, Sophos Anti-Virus 4.61.0, NOD32 Antivirus 5795, Avira AntiVir 7.11.1.163, Norman Antivirus 6.06.12, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Panda Antivirus 10.0.2.7, McAfee Gateway (formerly Webwasher) 2010.1C, Trend Micro AntiVirus 9.120.0.1004, Comodo Antivirus 7424, Bitdefender 7.2, eSafe 7.0.17.0, F-Secure Anti-Virus 9.0.16160.0, nProtect Anti-Virus 2011-01-17.01, AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, avast! Antivirus 4.8.1351.0 and 5.0.677.0, and VBA32 3.12.14.2 allows user-assisted remote attackers to bypass malware detection via a RAR file with an initial MZ character sequence.  NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different RAR parser implementations.

Weakness: CWE-264

## Which versions are affected by CVE-2012-1443?

It affects 35 products.


Products: Ahnlab V3 Internet Security, Aladdin Esafe, Alwil Avast Antivirus, Anti-Virus Vba32, Antiy Avl Sdk, Authentium Command Antivirus, Avg Avg Anti-Virus, Avira Antivir, Bitdefender Bitdefender, Cat Quick Heal, Clamav Clamav, Comodo Comodo Antivirus, Emsisoft Anti-Malware, Eset Nod32 Antivirus, F-Prot F-Prot Antivirus, F-Secure F-Secure Anti-Virus, Fortinet Fortinet Antivirus, Gdata-Software G Data Antivirus, Ikarus Ikarus Virus Utilities T3 Command Line Scanner, Jiangmin Jiangmin Antivirus and 15 more.

## How do I fix CVE-2012-1443?

No fix has been published for CVE-2012-1443 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-1443 being exploited?

There is no known exploitation of CVE-2012-1443 in the wild and no public exploit code.

## Other vulnerabilities in Clamav Clamav

- [CVE-2008-5520](https://insights.sbomify.com/CVE-2008-5520/): Security feature bypass in n/a (critical 9.3)
- [CVE-2007-6060](https://insights.sbomify.com/CVE-2007-6060/): Integer overflow in n/a (critical 9.3)
- [CVE-2013-3947](https://insights.sbomify.com/CVE-2013-3947/): Memory corruption in n/a (high 7.8)
- [CVE-2012-1433](https://insights.sbomify.com/CVE-2012-1433/): Security feature bypass in n/a (medium 4.3)
- [CVE-2012-1434](https://insights.sbomify.com/CVE-2012-1434/): Security feature bypass in n/a (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-1443 and fix it if it is affected.

What it is: CVE-2012-1443 is a medium-severity vulnerability in Clamav Clamav, published on 21 Mar 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2012-1443 in the wild and no public exploit code.

Affected product: Clamav Clamav. 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-2012-1443/ (Markdown: https://insights.sbomify.com/CVE-2012-1443/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-1443
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-1443
- OSV: https://osv.dev/vulnerability/CVE-2012-1443

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-1443/
Summaries are generated and may contain mistakes; the official description above is the record.
