20530 : Linux-ftpd-ssl FTP Server Response Remote Overflow
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2 1262 over 8 years ago almost 4 years ago 2 times 90%

Timeline

Disclosure Date
2005-11-04

Description

A remote overflow exists in linux-ftpd-ssl. The SSL code fails to validate input to the vsprintf() function resulting in a stack-based buffer overflow. With a specially crafted request which generates more than 2048 bytes of response from the server, a remote attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, James Longstreet has released an unofficial patch to address this vulnerability.

Products

Christoph Martin
linux-ftpd-ssl
0.17

References

Tools & Filters

20198 22762

Credit

  • kcope - kingcopegmx.net -

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2005-11-07 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

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