Anubis plugin for encrypt file size information disclosure
| anubis-filesize-information-disclosure (42652) |  Low Risk |
Description:
The Anubis plugin for encrypt could allow a remote attacker to obtain sensitive information, caused by the failure to encrypt the original file size in the encrypted file header. An attacker could exploit this vulnerability to weaken the encryption security and obtain padding data and other sensitive information.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Anubis plugin for encrypt (1.3 or later), available from the albinoloverats Web site. See References.
References:
- albinoloverats Web site: albinoloverats ~ Software Development - Plugins.
- Anubis Changelog, Sunday, 25 May 2008: Anubis+Ripe160 1.3.
- CVE-2008-2780: The Anubis (aka Anubis+Ripe160) plugin before 1.3 for encrypt stores the unencrypted file's size in cleartext in the header of the encrypted file, which allows attackers to distinguish between encrypted data and random padding at the end of the encrypted file.
- OSVDB ID: 45619: encrypt Anubis Plugin Header File Size Encryption Weakness
- SA30388: encrypt Anubis Plugin Original File Size Weakness
- VUPEN/ADV-2008-1663: Anubis Encrypt Plugin Original File Size Disclosure Weakness
Platforms Affected:
- albinoloverats Anubis plugin for encrypt 1.2
Reported:
May 25, 2008
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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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.