ClamAV base64-UUEncoded security bypass
| clamavs-base64uue-security-bypass (39337) |  Medium Risk |
Description:
Clam AntiVirus (ClamAV) could allow a remote attacker to bypass security restrictions, caused by the failure to detect base64-UUEncoded files. By sending specially-crafted base64-UUEncoded content, a remote attacker could exploit this vulnerability to bypass the scanning function.
*CVSS:
| Base Score: | 6.4 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 4.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Apply the appropriate patch for your system. See References.
References:
- Clam AntiVirus Web site: Clam AntiVirus.
- Clam AntiVirus Web site: Clam AntiVirus Download.
- Full-Disclosure Mailing List, Sun, 30 Dec 2007 01:06:04 +0100: TK53 Advisory #2: Multiple vulnerabilities in ClamAV.
- BID-27064: ClamAV Multiple Insecure File Handling and Scanner Bypass Vulnerabilities
- CVE-2007-6596: ClamAV 0.92 does not recognize Base64 UUEncoded archives, which allows remote attackers to bypass the scanner via a Base64-UUEncoded file.
- MDVSA-2008:088: Updated clamav packages fix multiple vulnerabilities
- SECTRACK ID: 1019148: Clam AntiVirus Unsafe File Access Lets Local Users Gain Elevated Privileges
- SUSE-SA:2008:024: clamav 0.93 security update
Platforms Affected:
- ClamAV ClamAV 0.92
- MandrakeSoft Mandrake Linux 2007.1 X86_64
- MandrakeSoft Mandrake Linux 2007.1
- MandrakeSoft Mandrake Linux 2008.0
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux 2008.1 X86_64
- MandrakeSoft Mandrake Linux 2008.1
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- Novell Linux POS 9
- Novell Open Enterprise Server
- Novell Open Enterprise Server
- Novell OpenSUSE 10.2
- Novell OpenSUSE 10.3
- Novell SLE SDK 10 SP1
- Novell SLE SDK 10
- Novell SUSE Linux Enterprise Server 10 SP1
- Novell SUSE Linux Enterprise Server 10
- SuSE SuSE SLES 9
Reported:
Dec 29, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.