REDHAT-BUG-530719: Low severity proftpd vulnerability

Published Oct 24, 2009
·
Updated

modtls.c in ProFTPD 1.3.2a does not properly handle a '\0' character in a domain name in the subject's alternative name (subjectAltName) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Upstream bug report: -------------------- http://bugs.proftpd.org/showbug.cgi?id=3275

Upstream patch: --------------- http://bugs.proftpd.org/attachment.cgi?id=3096

Affected Software

1 affected component
ProFTPD ProFTPD

Event History

Oct 24, 2009
Data Sourced
via Red Hat·01:30 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-530719?

The severity of REDHAT-BUG-530719 is high due to its potential exploitation for man-in-the-middle attacks.

2

How do I fix REDHAT-BUG-530719?

To fix REDHAT-BUG-530719, update ProFTPD to the latest version that addresses this vulnerability.

3

Which versions of ProFTPD are affected by REDHAT-BUG-530719?

ProFTPD versions prior to the fix for REDHAT-BUG-530719 are affected.

4

Can REDHAT-BUG-530719 be exploited remotely?

Yes, REDHAT-BUG-530719 can be exploited remotely by attackers through a crafted X.509 certificate.

5

What type of attack does REDHAT-BUG-530719 allow?

REDHAT-BUG-530719 allows man-in-the-middle attackers to spoof arbitrary SSL servers.

Contact

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