CVE-2011-1137 Integer overflow in n/a

What is CVE-2011-1137?

CVE-2011-1137 is a medium-severity vulnerability in n/a, published on 11 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.

Weakness: CWE-189

Which versions are affected by CVE-2011-1137?

It affects 1 product.

Products include Proftpd Proftpd.

How do I fix CVE-2011-1137?

Upgrade to a fixed version.

Is CVE-2011-1137 being exploited?

There is no known exploitation of CVE-2011-1137 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in n/a

• CVE-2010-4221 Memory corruption in n/a Critical 10.0
• CVE-2010-20103 ProFTPD 1.3.3c Backdoor Command Execution Critical 9.3
• CVE-2011-4130 Use after free in n/a Critical 9.0
• CVE-2026-63090 ProFTPD mod_sftp Heap Buffer Overflow via SFTP Packet Reassembly High 8.7
• CVE-2026-35025 ProFTPD ACL Bypass via /proc/self/root Path Prefix in RNFR High 8.6

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2011-1137, DSA-2185-1, GHSA-mvv4-4mqg-wq2g.