Vulnerability CVE-2002-1563
Published: 2003-05-12   Modified: 2012-02-12

Description:
stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter.

CVSS2 => (AV:L/AC:H/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.2/10
2.9/10
1.9/10
Exploit range
Attack complexity
Authentication
Local
High
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Stunnel -> Stunnel 

 References:
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736
http://marc.info/?l=bugtraq&m=104247606910598
http://marc.info/?l=bugtraq&m=106029168514511&w=2
http://marc.info/?l=stunnel-users&m=103600188215117&w=2
http://www.linuxsecurity.com/advisories/engarde_advisory-3535.html
http://www.redhat.com/support/errata/RHSA-2003-221.html
http://www.redhat.com/support/errata/RHSA-2003-223.html
http://www.securityfocus.com/bid/6592
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