CVE-2009-2732

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-08-21 · updated 2026-06-16
Weakness: CWE-119

Description

The checkHTTPpassword function in http.c in ntop 3.3.10 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an Authorization HTTP header that lacks a : (colon) character in the base64-decoded string.

Affected products

Ntop: through 3.3.10

References

http://secunia.com/advisories/36403
http://www.mandriva.com/security/advisories?name=MDVSA-2010:181
http://www.securityfocus.com/archive/1/505862/100/0/threaded
http://www.securityfocus.com/archive/1/505876/100/0/threaded
http://www.vupen.com/english/advisories/2009/2317
http://secunia.com/advisories/36403
http://www.mandriva.com/security/advisories?name=MDVSA-2010:181
http://www.securityfocus.com/archive/1/505862/100/0/threaded
http://www.securityfocus.com/archive/1/505876/100/0/threaded
http://www.vupen.com/english/advisories/2009/2317

Get alerted when CVE-2009-2732 or the next vulnerability affects your stack