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Secunia Security Advisory 38933

Secunia Security Advisory 38933
Posted Mar 15, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been discovered in httpdx, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
SHA-256 | 28ec32a8aa16f1d9c1f6d4de131988a69d88059690efff41520cc8d8bb4da01f

Secunia Security Advisory 38933

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TITLE:
httpdx FTP "USER" and "PASS" Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA38933

VERIFY ADVISORY:
http://secunia.com/advisories/38933/

DESCRIPTION:
Some vulnerabilities have been discovered in httpdx, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities caused due to integer underflows when processing
certain FTP commands, which can be exploited to crash the service by
e.g. sending FTP "USER" and "PASS" commands with only a zero byte
(0x00) as parameter.

The vulnerabilities are confirmed in version 1.53b. Other versions
may also be affected.

SOLUTION:
Restrict access to the FTP server using a firewall.

PROVIDED AND/OR DISCOVERED BY:
loneferret

ORIGINAL ADVISORY:
http://www.exploit-db.com/exploits/11734

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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