CVE-2012-1463
MediumThe ELF file parser in AhnLab V3 Internet Security 2011.01.18.00, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, Comodo Antivirus 7424, eSafe 7.0.17.0, F-Prot Antivirus 4.6.2.117, F-Secure Anti-Virus 9.0.16160.0, McAfee Anti-Virus Scanning…
Published Mar 21, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-1463 is a medium-severity vulnerability (CVSS 4.3 v2) affecting V3 Internet Security (Ahnlab), Esafe (Aladdin), Command Antivirus (Authentium) and 9 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 94% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- 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)
94%
Higher than 99.8% 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 ELF file parser in AhnLab V3 Internet Security 2011.01.18.00, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, Comodo Antivirus 7424, eSafe 7.0.17.0, F-Prot Antivirus 4.6.2.117, F-Secure Anti-Virus 9.0.16160.0, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Norman Antivirus 6.06.12, nProtect Anti-Virus 2011-01-17.01, and Panda Antivirus 10.0.2.7 allows remote attackers to bypass malware detection via an ELF file with a modified endianness field. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different ELF parser implementations.
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| V3 Internet SecurityAhnlab | 2011.01.18.00 | n/a |
| EsafeAladdin | 7.0.17.0 | n/a |
| Command AntivirusAuthentium | 5.2.11.5 | n/a |
| BitdefenderBitdefender | 7.2 | n/a |
| Quick HealCat | 11.00 | n/a |
Timeline
Publicly disclosed
Mar 21, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-264
References
- other80426
- other80433
- othermultiple-av-elf-file-evasion(74311)
- otherhttp://www.ieee-security.org/TC/SP2012/program.html
- other20120319 Evasion attacks expoliting file-parsing vulnerabilities in antivirus products
FAQ
Common Questions.
The ELF file parser in AhnLab V3 Internet Security 2011.01.18.00, Bitdefender 7.2, Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, Comodo Antivirus 7424, eSafe 7.0.17.0, F-Prot Antivirus 4.6.2.117, F-Secure Anti-Virus 9.0.16160.0, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Norman Antivirus 6.06.…
Affected: V3 Internet Security (Ahnlab) versions 2011.01.18.00; Esafe (Aladdin) versions 7.0.17.0; Command Antivirus (Authentium) versions 5.2.11.5, 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.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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