CVE-2011-2940: Buffer Overflow
First published: Fri Aug 19 2011(Updated: )
stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/stunnel | <4.42 | 4.42 |
| stunnel | =4.40 | |
| stunnel | =4.41 |
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Reference Links
- http://stunnel.org/?page=sdf_ChangeLog
- http://www.openwall.com/lists/oss-security/2011/08/19/6
- http://www.osvdb.org/74600
- https://bugzilla.redhat.com/show_bug.cgi?id=732068
- http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html
- http://securitytracker.com/id?1025959
- http://www.openwall.com/lists/oss-security/2011/08/19/18
- http://www.securityfocus.com/bid/49254
- http://secunia.com/advisories/45705
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69318
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=732069
- https://access.redhat.com/security/cve/CVE-2011-2940
Frequently Asked Questions
What is the severity of CVE-2011-2940?
CVE-2011-2940 is considered a high severity vulnerability due to the potential for remote code execution and denial of service through heap memory corruption.
How do I fix CVE-2011-2940?
To address CVE-2011-2940, upgrade to Stunnel version 4.42 or later as it resolves the heap corruption issues.
Which versions of Stunnel are affected by CVE-2011-2940?
CVE-2011-2940 affects Stunnel versions 4.40 and 4.41.
Can CVE-2011-2940 lead to data breaches?
Yes, CVE-2011-2940 can potentially allow remote attackers to exploit the vulnerability and lead to data breaches.
What type of vulnerability is CVE-2011-2940?
CVE-2011-2940 is categorized as a heap memory corruption vulnerability.
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