What’s Vulnerable › Vulnerabilities

CVE-2004-2135

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2004-05-26 · updated 2026-06-16

Description

cryptoloop on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain "IV computation" weaknesses that allow watermarked files to be detected without decryption.

Affected products

• Linux kernel: 2.4.0, 2.4.0-test1, 2.4.0-test10, 2.4.0-test11, 2.4.0-test12, 2.4.0-test2 (+177)

References

• http://marc.info/?l=linux-kernel&m=107719798631935&w=2
• http://mareichelt.de/pub/notmine/diskenc.pdf
• http://www.securiteam.com/exploits/5UP0P1PFPM.html
• http://www.securityfocus.com/bid/13775
• http://marc.info/?l=linux-kernel&m=107719798631935&w=2
• http://mareichelt.de/pub/notmine/diskenc.pdf
• http://www.securiteam.com/exploits/5UP0P1PFPM.html
• http://www.securityfocus.com/bid/13775

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