CVE-2012-1457
MediumThe TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast!
Published Mar 21, 2012 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2012-1457
Key Facts
Patch immediately- CVE-2012-1457 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Esafe (Aladdin), Avast Antivirus (Alwil), Vba32 (Anti-Virus) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 98% probability of exploitation in the next 30 days.
- Fixed versions are available, including Clamav 0.97.5+dfsg-1, Clamav 0.99.2-4.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS (30-day exploit likelihood)
98%
Higher than 99.9% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
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 10.0.0.1190, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, ClamAV 0.96.4, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, F-Prot Antivirus 4.6.2.117, 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, PC Tools AntiVirus 7.0.3.5, Rising Antivirus 22.83.00.03, 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 that exceeds the total TAR file size. 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.
Affected Products
41 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| EsafeAladdin | 7.0.17.0 | n/a |
| Avast AntivirusAlwil | 4.8.1351.0, 5.0.677.0 | n/a |
| Vba32Anti-Virus | 3.12.14.2 | n/a |
| Avl SdkAntiy | 2.0.3.7 | n/a |
| Command AntivirusAuthentium | 5.2.11.5 | n/a |
Patched Releases
Clamav
0.97.5+dfsg-1, 0.99.2-4.1
Timeline
Publicly disclosed
Mar 21, 2012
Last updated
Aug 4, 2026
Weakness Type
- CWE-264
References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2012-1457
- otheropenSUSE-SU-2012:0833
- other80389
- other80391
- other80392
FAQ
Common Questions.
The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast!
Affected: Esafe (Aladdin) versions 7.0.17.0; Avast Antivirus (Alwil) versions 4.8.1351.0, 5.0.677.0; Vba32 (Anti-Virus) versions 3.12.14.2, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Clamav 0.97.5+dfsg-1, Clamav 0.99.2-4.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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