Posadis DNS packet denial of service
| posadis-dns-packet-dos (11285) |  Low Risk |
Description:
Posadis is vulnerable to a denial of service attack, caused by improper validation of DNS packets. By sending a malformed DNS packet to the server, a remote attacker could cause the server to crash or possibly execute arbitrary code on the system.
Platforms Affected:
- Posadis Team, Posadis 0.50.4
- Posadis Team, Posadis 0.50.5
- Posadis Team, Posadis 0.50.6
- Posadis Team, Posadis 0.50.7
- Posadis Team, Posadis 0.50.8
Remedy:
Upgrade to the latest version of Posadis (0.50.9 or later), available from the Posadis Web site. See References.
Consequences:
Denial of Service
References:
- Posadis Web site, Remote vulnerability in Posadis 0.50.x at http://www.posadis.org/security/0_50_8_vuln.html.
- BID-6799: Posadis DNS Request Question Section Denial Of Service Vulnerability
- CVE-2003-1441: Posadis 0.50.4 through 0.50.8 allows remote attackers to cause a denial of service (crash) via a DNS message without a question section, which triggers null dereference.
- OSVDB ID: 3522: Posadis DNS Request Question Section DoS
- SA8018: Posadis DNS Denial of Service
Reported:
Feb 11, 2003
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