National Cyber Awareness System
Vulnerability Summary for CVE-2011-1575
Original release date:05/23/2011
Last revised:05/24/2011
Source:
US-CERT/NIST
Overview
The STARTTLS implementation in ftp_parser.c in Pure-FTPd before 1.0.30 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted FTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://github.com/jedisct1/pure-ftpd/commit/65c4d4ad331e94661de763e9b5304d28698999c4
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.novell.com/show_bug.cgi?id=686590
Type: Patch Information
External Source: MLIST
Name: [pure-ftpd] 20110308 Re: Pure-FTPd 1.0.30 has been released
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=683221
External Source: CONFIRM
Name: http://www.pureftpd.org/project/pure-ftpd/news
External Source: SECUNIA
Name: 44548
External Source: SECUNIA
Name: 43988
Type: Advisory
External Source: MLIST
Name: [oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?
External Source: MLIST
Name: [oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?
External Source: MLIST
Name: [oss-security] 20110411 pure-ftpd STARTTLS command injection / new CVE?
External Source: MLIST
Name: [oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?
External Source: MLIST
Name: [opensuse-updates] 20110512 openSUSE-SU-2011:0483-1 (moderate): New pure-ftpd version fix STARTTLS issues (CVE-2011-1575).
External Source: MLIST
Name: [pure-ftpd] 20110308 Pure-FTPd 1.0.30 has been released
Technical Details
- Resource Management Errors (CWE-399)