# PYSEC-2012-26 - The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir 7.11.1.163, Antiy Labs…

Source: https://junglewise.ai/threats/pysec-2012-26-the-tar-file-parser-in-ahnlab-v3-internet-security-2011-4e8a45de  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2012-03-21  
License: CC BY 4.0 with a link back

Severity: info · Published 2012-03-21

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

Technologies: [bitdefender (PyPI)](https://junglewise.ai/threats/technologies/bitdefender). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 21 March 2012.

**Which products and versions are affected?** bitdefender (PyPI) ECOSYSTEM:introduced=0.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run bitdefender (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- bitdefender (PyPI) ECOSYSTEM:introduced=0

## Related threats

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- [PYSEC-2012-22 - The ELF file parser in Bitdefender 7.2, Comodo Antivirus 7424, eSafe 7.0.17.0, F-Secure Anti-Virus…](https://junglewise.ai/threats/pysec-2012-22-the-elf-file-parser-in-bitdefender-7-2-comodo-antivirus-37ca67e4)
- [PYSEC-2012-24 - The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal)…](https://junglewise.ai/threats/pysec-2012-24-the-rar-file-parser-in-clamav-0-96-4-rising-antivirus-22-38c4d511)
- [PYSEC-2012-23 - The ELF file parser in Bitdefender 7.2, Command Antivirus 5.2.11.5, Comodo Antivirus 7424, eSafe…](https://junglewise.ai/threats/pysec-2012-23-the-elf-file-parser-in-bitdefender-7-2-command-antivirus-7fe58d09)
- [PYSEC-2012-25 - The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast! Antivirus 4.8.1351.0 and 5.0.677.0, AVG Anti-Virus 10.0.](https://junglewise.ai/threats/pysec-2012-25-the-tar-file-parser-in-avira-antivir-7-11-1-163-antiy-ba9faa73)