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computer vulnerability alert CVE-2013-3707

Novell Open Enterprise Server: denial of service via HTTPSTK

Synthesis of the vulnerability

An attacker can generate several SSL errors in HTTPSTK of Novell Open Enterprise Server, in order to trigger a denial of service.
Vulnerable products: OES.
Severity of this weakness: 2/4.
Consequences of a hack: denial of service on service.
Hacker's origin: document.
Creation date: 04/12/2013.
Références of this bulletin: 7014063, CVE-2013-3707, VIGILANCE-VUL-13866.

Description of the vulnerability

The HTTPSTK service listens on port 8009/tcp.

However, when a SSL session ends with an error, the HTTPSTK service does not call the SSL_free() and SSL_shutdown() functions. The TCP socket thus stay in the CLOSE_WAIT state.

An attacker can therefore generate several SSL errors in HTTPSTK of Novell Open Enterprise Server, in order to trigger a denial of service.
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