CVE-2011-1575
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 33.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-05-23 22:00Z15 YR AGO
- Last updated
- 2024-08-06 22:28Z2 YR AGO
- Reserved
- 2011-04-05
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 7df777e9c13c51b1cd6fa6000e2bc9732c93278823303f391c89ea9b1e641204
05 Affected products
06 References
- openwall.com[oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?http://openwall.com/lists/oss-security/2011/04/11/14
- lists.opensuse.orgSUSE-SR:2011:009http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=683221
- archives.pureftpd.org[pure-ftpd] 20110308 Pure-FTPd 1.0.30 has been releasedhttp://archives.pureftpd.org/archives.cgi?100:mss:3906:201103:cpeojfkblajnpinkeadd
- lists.opensuse.org[opensuse-updates] 20110512 openSUSE-SU-2011:0483-1 (moderate): New pure-ftpd version fix STARTTLS issues (CVE-2011-1575).http://lists.opensuse.org/opensuse-updates/2011-05/msg00029.html
- secunia.com43988http://secunia.com/advisories/43988
- openwall.com[oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?http://openwall.com/lists/oss-security/2011/04/11/7
- secunia.com44548http://secunia.com/advisories/44548
- openwall.com[oss-security] 20110411 Re: pure-ftpd STARTTLS command injection / new CVE?http://openwall.com/lists/oss-security/2011/04/11/8
- openwall.com[oss-security] 20110411 pure-ftpd STARTTLS command injection / new CVE?http://openwall.com/lists/oss-security/2011/04/11/3
- www.pureftpd.orghttp://www.pureftpd.org/project/pure-ftpd/news
- bugzilla.novell.comhttps://bugzilla.novell.com/show_bug.cgi?id=686590
- archives.pureftpd.org[pure-ftpd] 20110308 Re: Pure-FTPd 1.0.30 has been releasedhttp://archives.pureftpd.org/archives.cgi?100:mss:3910:201103:cpeojfkblajnpinkeadd
- github.comhttps://github.com/jedisct1/pure-ftpd/commit/65c4d4ad331e94661de763e9b5304d28698999c4
07 Fixed in
Debian 12
- pure-ftpd Fixed in 1.0.30-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pure-ftpd Fixed in 1.0.30-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.