CVE-2002-1563: Race Condition
First published: Sat Apr 26 2003(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| stunnel | =4.04 |
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Reference Links
- http://www.redhat.com/support/errata/RHSA-2003-221.html
- http://www.redhat.com/support/errata/RHSA-2003-223.html
- http://www.linuxsecurity.com/advisories/engarde_advisory-3535.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000736
- http://www.securityfocus.com/bid/6592
- http://marc.info/?l=bugtraq&m=106029168514511&w=2
- http://marc.info/?l=stunnel-users&m=103600188215117&w=2
- http://marc.info/?l=bugtraq&m=104247606910598
Frequently Asked Questions
What is the severity of CVE-2002-1563?
The severity of CVE-2002-1563 is classified as a denial of service vulnerability.
How do I fix CVE-2002-1563?
To fix CVE-2002-1563, upgrade to stunnel version 4.04 or later.
What is the impact of CVE-2002-1563?
The impact of CVE-2002-1563 is that it can cause stunnel to crash, leading to service downtime.
Which versions of stunnel are affected by CVE-2002-1563?
Versions of stunnel 4.0.3 and earlier are affected by CVE-2002-1563.
What type of attack does CVE-2002-1563 allow?
CVE-2002-1563 allows attackers to exploit a race condition in the SIGCHLD signal handler.
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